- G2 grades: 1, 2, 3, 4, 5 and 6.
- G3 to G2: A1–B3→1, B4–C6→2, D7→3, E8→4, 9→5.
- G2 to G1: grades 1–3→A, 4→B, 5→C, 6→D.
- PFP 2028: raw ELMAB3 12 or better plus subject minima and admission rules.
- Higher Nitec Year 2: G2-based ELMAB3 19 or better, subject to rules.
- Check: mappings are not blanket admissions guarantees or interchangeable examination standards.
Updated 11 November 2026. All result profiles and calculations below are fictional educational examples. Actual admission decisions must follow the published 2028 rules and official eligibility checks.
SEC 2027 combines certificates but not examination levels
The Singapore-Cambridge Secondary Education Certificate begins in 2027, combining the former N(T), N(A) and O-Level award structure under one certificate. Students still sit individual subjects at G1, G2 or G3 levels according to school-approved choices. The certificate records the actual level taken for every subject; it does not quietly convert all papers to a single common standard.
G2 subject grades use numbers 1, 2, 3, 4, 5 and 6. G3 uses A1, A2, B3, B4, C5, C6, D7, E8 and 9. G1 uses letters A, B, C, D and E. These are different grading scales, not a set of identical questions. A parent should look at the subject level as well as its grade before discussing performance or the next educational pathway.
What do G2 grades 1 through 6 mean?
The G2 grade structure follows the former N(A)-Level grade scale. Grade 1 is the strongest reported grade and Grade 6 the lowest in that numerical set. The exact achievement required for each grade is not a percentage conversion table that independent websites can guarantee in advance. A G2 Grade 1 is not automatically equivalent to a G3 A1 in all contexts.
SEAB’s certificate award rule states that a certificate can be awarded if the candidate attains Grade 5 or better in a G2 subject, E8 or better in a G3 subject, or Grade D or better in a G1 subject. This is a certificate award condition, not proof of eligibility for every course. PFP and ITE programmes have separate requirements that can be stricter.
Why grade mapping exists
Students under Full SBB may have results at more than one subject level. Certain post-secondary admission exercises need a common scale to compute an aggregate. SEAB therefore publishes grade-mapping rules for specific progression calculations. The mapping is an administrative calculation for admission; it does not rewrite the actual subject’s level on the certificate or claim that two examinations contain identical questions.
For example, a student taking G3 Mathematics and G2 English may need a G2-based aggregate for a pathway that uses ELMAB3. The G3 Mathematics grade can be mapped down to the corresponding G2 point for that purpose. Another pathway using G3-based requirements might use different eligibility rules. Parents should identify the exercise first, then apply its stated method.
The official mapping from G3 down to G2
SEAB’s grade-mapping table says G3 A1, A2 or B3 maps to G2 grade 1. G3 B4, C5 or C6 maps to G2 grade 2. G3 D7 maps to G2 grade 3, G3 E8 to G2 grade 4, and G3 grade 9 to G2 grade 5. There is no G3 grade mapped to G2 grade 6 in this table. These groups should be copied exactly when a relevant aggregate asks for G2-based mapping.
It is easy to make a mistake by assuming G3 B4 means four points at G2. That is wrong under the mapping: B4 becomes G2 grade 2. Likewise A2 maps to G2 grade 1, not grade 2. Record the mapped grade in a separate column so the original certificate result remains visible. Do not replace the student’s actual G3 grade with the mapped value in ordinary conversations about what was sat.
The official mapping from G2 down to G1
SEAB also publishes a mapping from G2 to G1 when an admission aggregate requires the G1 scale. G2 grades 1, 2 or 3 map to G1 grade A. G2 grade 4 maps to B. G2 grade 5 maps to C. G2 grade 6 maps to D. G1 itself uses A through E, and this mapping does not assign a G2 result to G1 E.
If a student has G3 and G2 subjects and needs a G1-based aggregate, SEAB says the G3 grade is first mapped to G2, then mapped from G2 to G1. Skipping the intermediate step can produce a false result. Every conversion should be checked against the current published table for the specific admission exercise.
Why G2 Grade 6 and certificate eligibility are different questions
A parent may assume that receiving a Grade 6 in one G2 subject means the teenager receives no SEC certificate at all. SEAB’s award condition is based on obtaining at least a qualifying grade in a subject at one of the levels: G2 Grade 5 or better, G3 E8 or better, or G1 Grade D or better. A candidate’s full record therefore matters when interpreting certificate eligibility.
That does not make Grade 6 irrelevant. It may affect aggregate computations or fail a course’s individual subject minimum. The next action is to examine the actual subject results and admissions requirements rather than announce a universal outcome. The school and SEAB can clarify unusual candidate circumstances.
ELMAB3 is a five-subject aggregate
The acronym ELMAB3 refers to English Language, Mathematics and three other eligible subjects under the relevant admissions rules. The name helps parents remember that it is not simply the arithmetic average of all grades or a total of six subjects. For a G2-based exercise, any qualifying G3 subjects are mapped to G2 where the published method allows or requires it.
Always begin by checking which English and Mathematics results can be used and which other subjects qualify. The exact ‘best three’ selection can be subject to course-specific rules and eligibility minima. Adding arbitrary three lowest numbers without checking subject requirements can give an attractive but invalid total. Use the official admission guide for the year and programme.
Worked example: a mixed-level aggregate of 12
Imagine a fictional SEC result profile: G3 English B4, G3 Mathematics A1, G2 Science Grade 2, G2 Combined Humanities Grade 3 and G2 Chinese Grade 4. When a relevant G2-based ELMAB3 calculation permits these subjects, English B4 maps to 2 and Mathematics A1 maps to 1. The G2 subjects remain 2, 3 and 4. The arithmetic is 2 + 1 + 2 + 3 + 4 = 12.
This is a worked mapping example, not a promise that the fictional student satisfies every Polytechnic Foundation Programme requirement. PFP also applies subject-specific grade conditions, eligible subject categories, citizenship or school-candidate rules where relevant, and admission by merit. A mathematically correct aggregate is only one check in the application process.
Worked example: why B4 is not G2 Grade 4
Consider a pupil with G3 English B4 and G2 Mathematics Grade 3. A parent may mistakenly add 4 for English because the character 4 appears in B4. Under SEAB’s G3-to-G2 table, the English result maps to G2 Grade 2. The correct contribution to a G2-based aggregate is therefore two points, not four, if that result is eligible for the particular exercise.
This distinction can materially alter a calculated result. Keep the original result and the converted aggregate contribution next to each other. If using a spreadsheet, label separate fields such as ‘certificate grade’ and ‘mapped G2 contribution’. An unlabeled cell showing only 2 may later be mistaken for an actual G2 English grade.
What PFP 2028 generally checks
From Academic Year 2028, official school guidance describes broader access to the Polytechnic Foundation Programme for learners with G2 and mixed G2/G3 subject profiles. A raw G2-based ELMAB3 aggregate of 12 or better remains the stated broad PFP threshold. The English minimum for all clusters is G2 Grade 3; Mathematics and relevant-subject minima also apply, with best subjects subject to their stated requirements.
These conditions are separate. A student may have an ELMAB3 aggregate of 12 but lack a required subject grade, or satisfy academic eligibility but not secure a place because admission is competitive. The family must read the current MOE PFP admissions page and individual programme rules for the 2028 exercise rather than relying on a headline alone.
What Higher Nitec Year 2 generally checks
For the 2028 intake, MOE-linked school guidance describes entry into Year 2 of the three-year Higher Nitec structure through a G2-based ELMAB3 score of 19 or better, subject to applicable minimum entry requirements and programme availability. Students with G2 or mixed G2/G3 subjects may qualify to apply, with G3 grades mapped down where the rules require it.
Do not confuse this with admission into Year 1 of the three-year Higher Nitec route, whose requirements are based on G1-level results. The direct-Year-2 route and a PFP place are different pathways with different thresholds and selection processes. Parents should explore both when appropriate instead of assuming one number unlocks every course.
Direct polytechnic Year 1 has different rules
The 2028 post-secondary changes also affect direct polytechnic admission. School guidance describes an ELR2B2-based framework with a net aggregate cut-off and allowance for one relevant G2 best subject under specified conditions. That is not the same calculation as G2 ELMAB3 for PFP or Higher Nitec. A correct score under one framework cannot simply be pasted into another application.
The actual diploma may impose subject-specific minimum entry requirements, including relevant G3 subjects and English or Mathematics requirements. If the family is considering polytechnic Year 1, read the current 2028 course admissions criteria separately. A single subject’s strong G2 result is encouraging but does not guarantee eligibility for a diploma.
Why JCs and Millennia Institute are not ‘just mapping’
Junior college and Millennia Institute admissions use their own course requirements and G3-level examination criteria. A student cannot assume that every G2 subject automatically counts as an equivalent G3 result simply because SEAB publishes a conversion for another exercise. Grade mapping applies only where a specified admission formula says to use it.
Parents should resist using generic internet conversion charts to forecast JC entry. If the learner is interested in a JC or MI pathway, ask an education and career guidance counsellor to confirm the appropriate subject-level combination and the 2028 requirements. School choices should be based on real access conditions and the student’s readiness.
Different admission pathways can use the same subject differently
Imagine a student with G3 English and Mathematics plus several G2 electives. PFP may use a G2-based ELMAB3 total with the G3 grades mapped down, while a direct diploma course may have its own G3-related subject minima and different aggregate. The same physical SEC certificate can therefore lead to different eligible pathways depending on the chosen exercise.
This is not contradictory. Admission systems answer different questions: readiness for a foundation year, direct entry to a particular diploma, or a Higher Nitec course at a particular starting point. The family should select the pathway and course first, then use its eligibility table. The most dangerous mistake is to choose the easiest-looking conversion without checking whether the system permits it.
A personal grade-mapping worksheet
Use a simple table with columns for subject, examination G-level, actual grade, eligibility category, mapped grade where required, and which aggregate uses it. Add a small notes column for individual subject minimums. This will make it clear whether a mapped G2 number is being used for PFP, Higher Nitec or another permitted computation.
Do not alter the actual certificate grade during the calculation. Keep an original copy of the results and the precise source table used. If the official rules change, the family can update the separate worksheet without changing the historical record. A transparent calculation is easier to check with a teacher or career guidance counsellor than a single unexplained total.
A calculator or spreadsheet can still produce the wrong aggregate
A spreadsheet will add whatever numbers the parent enters, including incorrect mappings or ineligible subjects. Its arithmetic may be perfect while the admission logic is wrong. Before trusting an output, check the original result, the relevant mapping table, the subject eligibility and whether the aggregate is raw or net. Those words have specific meanings in admissions.
For example, incorrectly adding G3 B4 as four instead of mapped G2 Grade 2 changes a total by two points. Accidentally selecting an ineligible subject as one of the best three may also produce a misleading number. Verification should include checking every input against the certificate and current official admissions guide.
When Grade 1 still is not a guaranteed course place
A G2 Grade 1 is a strong subject result on its scale, but an applicant’s eligibility depends on the combination of subjects and any necessary grades in English, Mathematics and relevant disciplines. Placement may also depend on competitive demand, ranking and course choices. A high grade in one elective cannot substitute automatically for a missing required subject.
Parents should frame progress in terms of options rather than status. Ask which course requirements the pupil already meets and which need attention. A student can make thoughtful choices between PFP, ITE and other routes without treating one pathway as a verdict on worth or ability.
What if the result is weaker than expected?
A disappointing G2 grade may affect an admission calculation or subject minimum. The first action is to verify the actual result and review the official options for the next exercise. A parent should not immediately promise that a grade can be remapped upward, converted into a G3 pass or made eligible through an unofficial tuition letter.
Look at realistic available routes, including programmes with different entry requirements, possible appeals or review procedures where actually published, and future training opportunities. Any retake or private-candidate plan must follow SEAB’s eligibility and registration rules. The student’s confidence and wellbeing matter during this decision.
Frequently asked questions about SEC G2 grades
What are G2 grades in 2027? 1, 2, 3, 4, 5 and 6. Is Grade 1 best? Yes within G2. Is Grade 6 the same as G3 grade 9? No; the examinations have different standards and mapping rules. Does G3 A1 map to G2 Grade 1? Yes. Does G3 B4 map to G2 Grade 2? Yes. Does G3 D7 map to G2 Grade 3? Yes. Does G3 E8 map to G2 Grade 4? Yes. Does G3 9 map to G2 Grade 5? Yes.
Does G2 Grade 4 map to G1 B? Yes, when mapping is required. Does G2 Grade 5 map to G1 C? Yes. Can G3 grades be converted directly to G1? SEAB says first map G3 to G2, then G2 to G1. Is a mapped grade printed as the subject’s actual SEC grade? No, the certificate reflects the examination level taken. Does Grade 1 guarantee PFP? No. Is ELMAB3 a raw or net number? The published PFP 12-point threshold is raw. Verify each exercise’s exact rules.
An alternative example using G3 C6 and G3 D7
Imagine a fictional candidate with G3 English C6, G3 Mathematics D7, G2 Science 2, G2 Humanities 3 and G2 Mother Tongue 4. In a permitted G2-based ELMAB3 calculation, G3 English C6 maps to Grade 2, not Grade 6, and G3 Mathematics D7 maps to Grade 3. The total using the three stated G2 subjects would be 2 + 3 + 2 + 3 + 4 = 14. This is a calculation illustration, not an admissions decision.
The next step is to check separate subject-specific minimums and eligibility. A mapped Grade 3 in Mathematics may meet some requirements but not others, depending on the programme. A family should not stop at a neat aggregate or choose subjects simply because they produce a smaller-looking number. Official rules determine whether the combination is acceptable.
The best three are not always any three attractive numbers
ELMAB3 includes English, Mathematics and three additional subjects, but the actual admissions exercise may define eligible categories and minimum grade requirements. A learner could have a strong grade in a subject that does not meet a particular programme’s relevant-subject requirement. Choosing only the numerically lowest grades can therefore produce an invalid aggregate.
Use the current application rules before selecting the remaining subjects. Identify the required relevant subject, then evaluate the other eligible results. Parents can ask a school education and career guidance counsellor to check the calculation. The official form or institution’s published instructions take precedence over an independent spreadsheet template.
Do not confuse raw aggregate and net aggregate
A raw aggregate is calculated from the prescribed grades and subject selection before any adjustment expressly permitted by an admission exercise. A net aggregate reflects adjustments where that exercise allows them. The PFP threshold described in MOE-linked guidance is a raw G2-based ELMAB3 aggregate of 12 or better, so subtracting an unrelated bonus and calling the result a qualifying raw score would be wrong.
Other admission systems may use a net aggregate and different rules. A family should write the word raw or net beside each total and cite the specific admission source. If the application instructions do not allow a particular adjustment, it must not be included merely because a sibling received one in another programme.
What Grade 3 in G2 English means for PFP
For the 2028 PFP intake, school-published MOE guidance describes a minimum English Language requirement of G2 Grade 3 across clusters, with Maths and relevant-subject requirements also applying. This relaxes the previous English threshold for some tracks but does not make English irrelevant. It is a requirement distinct from the aggregate limit.
A candidate with raw ELMAB3 of 12 who has a G2 English Grade 4 may be academically close to the aggregate threshold yet not meet the English minimum. Conversely, a student meeting the English grade may still exceed the raw 12-point total. Admission rules are conjunctive: meeting one condition does not cancel another.
The relevant subject for PFP needs attention early
Some PFP admission decisions depend on the relevant subject for the chosen cluster, alongside English, Mathematics and other best subjects. A pupil interested in a science-related cluster should not assume that every elective is automatically classified as its relevant subject. The official 2028 PFP information defines the eligible set and minimum grades.
Plan with the student before the final year. Ask which subject choices support their genuine interests, what the school offers and how the selected disciplines develop the knowledge needed later. A course decision based only on which paper seems easiest may leave the learner underprepared for the next programme.
PFP eligibility is not a guaranteed posting
The Polytechnic Foundation Programme admits students competitively into broad clusters or certain special arrangements, with further diploma placement based on the programme and relevant choices. A candidate who meets the academic threshold may not receive their first choice if demand is high or other selection criteria apply. Schools therefore distinguish eligibility from actual admission.
Parents can prepare a ranked list of realistic clusters and alternatives, then verify the year’s available courses and entry details. Avoid promising that one G2 Grade 1 guarantees a particular diploma after the foundation year. The student’s interests, performance during PFP and institution rules remain important.
Higher Nitec Year 1 versus direct Year 2
From the 2028 intake, entry to Year 1 of the three-year Higher Nitec structure is set around G1-level requirements. Direct entry into Year 2 is associated with G2-based ELMAB3 of 19 or better, along with the relevant conditions. These are related but distinct paths, and a student should not use the Year 2 aggregate to infer every Year 1 admission rule.
Students with mixed G3/G2 results may need downward mapping for a G2 aggregate, while Year 1 admission can involve mapping to G1 where required. The specific ITE course, year of study and published entry requirements control eligibility. A family considering ITE should explore course content and progression rather than judge the pathway by a single label.
G2 Grade 6 can still map to G1 D where authorised
The SEAB G2-to-G1 table maps Grade 6 to G1 D. That does not mean a G2 Grade 6 becomes a G2 pass or meets every institutional subject minimum. It means that, for a calculation requiring the G1 scale, the mapped value is D. Mixing the role of the mapped grade with the original SEC result can lead to serious misunderstanding.
For a G3-to-G1 computation, do not skip the required intermediate step. G3 E8 maps to G2 Grade 4, which then maps to G1 B. This chained administrative conversion is described by SEAB for relevant progression purposes. It should not be used to describe the learner as having actually sat three different subject levels.
A candidate does not sit two G-level exams for the same subject
SEAB’s explanatory FAQ makes clear that a learner can have a combination of subjects at different levels, but does not sit different levels for the same subject in the same SEC profile. A student may take G3 English and G2 Mathematics, but should not plan to sit G2 Mathematics and G3 Mathematics as two simultaneous examination entries under ordinary Full SBB rules.
A parent considering a subject-level change should ask the school about eligibility and timing before assuming they can register both versions to keep their options open. The overall SEC result displays which level was actually sat. Grade mapping at the admissions stage is a different operation and should not be confused with double registration.
An example of misunderstanding the certificate award rule
A Grade 6 in one G2 subject can cause understandable concern. But SEAB’s certificate award condition concerns qualifying results at the levels examined. For example, a fictional pupil has G2 Mathematics Grade 6 and G2 English Grade 4. The English result is within the published G2 certificate-award threshold of Grade 5 or better; one Grade 6 does not logically establish that no certificate can be awarded.
This example does not establish admissions to any specific course. Institutions may require higher grades in English or Mathematics, an aggregate or a minimum relevant subject. Families should distinguish the existence of the SEC certificate from the separate question of which programmes the results support.
Mapped G2 grades cannot erase the difficulty of a G3 paper
A G3 B4 maps to a G2 Grade 2 for certain admission calculations, but that mapping is not a claim that all questions in the two examinations were identical. The G3 syllabus remains a more demanding subject level. A grade-conversion table is an administrative solution to mixed subject portfolios, not a curriculum equivalence proof.
This matters when comparing siblings or recommending a subject level. Do not tell a child to switch levels simply because one mapped number looks advantageous. The learner’s capability, workload, interests, school offerings and intended post-secondary requirements should all be considered.
Create a five-column family result tracker
A useful result tracker can have subject name and K-code, level sat, original SEC grade, mapped value for a named exercise, and the rule or source used. The last column should be explicit: ‘PFP ELMAB3 2028’ is more informative than a bare number. Add a second sheet for each potential course’s individual requirements and closing date once they are officially announced.
The tracker should never overwrite the certificate values or treat a provisional estimate as a confirmed offer. Parents can review the data with the student and school counsellor. Keep personal results private; there is no reason to upload a child’s complete identifiable certificate to an unknown third-party calculator.
What to do before deciding on a post-secondary course
Ask what the student wants to learn, how they handle practical and theoretical work, and which pathways are genuinely open under the latest rules. Then consider the aggregate, subject minima, application process and competitive selection. A decision made entirely from a single headline cut-off may miss important conditions or unsuitable course content.
If two routes appear possible, compare their learning structure and eventual progression rather than treating one as a consolation prize. PFP, diploma study and Higher Nitec each have distinct teaching approaches and requirements. Career guidance and school counselling can help turn numerical eligibility into a decision suited to the learner.
How to audit a numerical example for mistakes
Before trusting an aggregate, check whether the original results are recorded correctly. Next confirm the G-level and the exact mapping table. Then ensure the subject is eligible for the particular role in the aggregate, such as a relevant subject or best subject. Finally check raw versus net rules and any minimum grade requirement. A mathematically correct total built from invalid entries is still an invalid admissions calculation.
Use a fictional example to practise the audit: if a parent adds G3 A2 as two points at G2, the error is in the mapping stage. If the parent uses a subject outside the permitted relevant-subject group, the error is in eligibility selection. If the parent subtracts a bonus from a raw PFP threshold, the error is in the aggregate definition. Each needs a different fix.
FAQs: more grading scenarios
Does G3 C5 map to G2 Grade 2? Yes. Does G3 B3 map to G2 Grade 1? Yes. Does G3 grade 9 map to G2 Grade 5? Yes, when such mapping is used. Is G2 Grade 6 mapped to G1 D? Yes. Does G2 Grade 3 map to G1 A? Yes. Does G2 Grade 4 map to G1 B? Yes. Can a student receive both G2 and G3 results across different subjects? Yes, subject-level combinations can be approved.
Is a mapping table used in every university, JC, polytechnic or ITE decision? No; apply only the published rules for that exercise. Is a Grade 1 in one subject sufficient for PFP? Not by itself. Can the raw aggregate be edited by a commercial tutor? No. Can personal calculators replace admissions confirmation? No. What should families do on results day? Keep the original grades, check the relevant pathway’s official criteria and ask for school guidance if uncertain.
Sources and related eduKate articles
The authoritative starting point is SEAB’s SEC grading and mapping policy, including its G3-to-G2 and G2-to-G1 tables. The 2027 G2 syllabus directory identifies real examination codes. Check MOE’s PFP admissions information and MOE Full SBB before advising a specific applicant.
For the wider reading pathway, see SEC candidates and 2028 retakes, G2 SEC exam calendar and the immutable teaching methodology. This article’s unique task is transparent aggregate mathematics, not prediction of admission outcomes.
G2 subjects in the 2027 Singapore-Cambridge SEC are graded 1 to 6, and grade mapping is used only for certain post-secondary aggregate calculations. Under SEAB’s table, a G3 B4 maps to G2 Grade 2, while G3 A1 maps to G2 Grade 1. The mapped value helps calculate an eligible aggregate such as ELMAB3; it is not a new grade for the subject printed on the certificate.
This Full Subject-Based Banding playbook explains the actual G2, G3 and G1 scales, a worked ELMAB3 example, and where 2028 PFP, Higher Nitec and direct polytechnic course rules differ. A learner may have a mixed G2/G3 subject profile, so parents should not simply sum the visible digits on a result slip. Always identify the admission exercise and its eligible subjects first.
- G2 grades: 1, 2, 3, 4, 5 and 6.
- G3 to G2: A1–B3→1, B4–C6→2, D7→3, E8→4, 9→5.
- G2 to G1: grades 1–3→A, 4→B, 5→C, 6→D.
- PFP 2028: raw ELMAB3 12 or better plus subject minima and admission rules.
- Higher Nitec Year 2: G2-based ELMAB3 19 or better, subject to rules.
- Check: mappings are not blanket admissions guarantees or interchangeable examination standards.
Updated 11 November 2026. All result profiles and calculations below are fictional educational examples. Actual admission decisions must follow the published 2028 rules and official eligibility checks.
SEC 2027 combines certificates but not examination levels
The Singapore-Cambridge Secondary Education Certificate begins in 2027, combining the former N(T), N(A) and O-Level award structure under one certificate. Students still sit individual subjects at G1, G2 or G3 levels according to school-approved choices. The certificate records the actual level taken for every subject; it does not quietly convert all papers to a single common standard.
G2 subject grades use numbers 1, 2, 3, 4, 5 and 6. G3 uses A1, A2, B3, B4, C5, C6, D7, E8 and 9. G1 uses letters A, B, C, D and E. These are different grading scales, not a set of identical questions. A parent should look at the subject level as well as its grade before discussing performance or the next educational pathway.
What do G2 grades 1 through 6 mean?
The G2 grade structure follows the former N(A)-Level grade scale. Grade 1 is the strongest reported grade and Grade 6 the lowest in that numerical set. The exact achievement required for each grade is not a percentage conversion table that independent websites can guarantee in advance. A G2 Grade 1 is not automatically equivalent to a G3 A1 in all contexts.
SEAB’s certificate award rule states that a certificate can be awarded if the candidate attains Grade 5 or better in a G2 subject, E8 or better in a G3 subject, or Grade D or better in a G1 subject. This is a certificate award condition, not proof of eligibility for every course. PFP and ITE programmes have separate requirements that can be stricter.
Why grade mapping exists
Students under Full SBB may have results at more than one subject level. Certain post-secondary admission exercises need a common scale to compute an aggregate. SEAB therefore publishes grade-mapping rules for specific progression calculations. The mapping is an administrative calculation for admission; it does not rewrite the actual subject’s level on the certificate or claim that two examinations contain identical questions.
For example, a student taking G3 Mathematics and G2 English may need a G2-based aggregate for a pathway that uses ELMAB3. The G3 Mathematics grade can be mapped down to the corresponding G2 point for that purpose. Another pathway using G3-based requirements might use different eligibility rules. Parents should identify the exercise first, then apply its stated method.
The official mapping from G3 down to G2
SEAB’s grade-mapping table says G3 A1, A2 or B3 maps to G2 grade 1. G3 B4, C5 or C6 maps to G2 grade 2. G3 D7 maps to G2 grade 3, G3 E8 to G2 grade 4, and G3 grade 9 to G2 grade 5. There is no G3 grade mapped to G2 grade 6 in this table. These groups should be copied exactly when a relevant aggregate asks for G2-based mapping.
It is easy to make a mistake by assuming G3 B4 means four points at G2. That is wrong under the mapping: B4 becomes G2 grade 2. Likewise A2 maps to G2 grade 1, not grade 2. Record the mapped grade in a separate column so the original certificate result remains visible. Do not replace the student’s actual G3 grade with the mapped value in ordinary conversations about what was sat.
The official mapping from G2 down to G1
SEAB also publishes a mapping from G2 to G1 when an admission aggregate requires the G1 scale. G2 grades 1, 2 or 3 map to G1 grade A. G2 grade 4 maps to B. G2 grade 5 maps to C. G2 grade 6 maps to D. G1 itself uses A through E, and this mapping does not assign a G2 result to G1 E.
If a student has G3 and G2 subjects and needs a G1-based aggregate, SEAB says the G3 grade is first mapped to G2, then mapped from G2 to G1. Skipping the intermediate step can produce a false result. Every conversion should be checked against the current published table for the specific admission exercise.
Why G2 Grade 6 and certificate eligibility are different questions
A parent may assume that receiving a Grade 6 in one G2 subject means the teenager receives no SEC certificate at all. SEAB’s award condition is based on obtaining at least a qualifying grade in a subject at one of the levels: G2 Grade 5 or better, G3 E8 or better, or G1 Grade D or better. A candidate’s full record therefore matters when interpreting certificate eligibility.
That does not make Grade 6 irrelevant. It may affect aggregate computations or fail a course’s individual subject minimum. The next action is to examine the actual subject results and admissions requirements rather than announce a universal outcome. The school and SEAB can clarify unusual candidate circumstances.
ELMAB3 is a five-subject aggregate
The acronym ELMAB3 refers to English Language, Mathematics and three other eligible subjects under the relevant admissions rules. The name helps parents remember that it is not simply the arithmetic average of all grades or a total of six subjects. For a G2-based exercise, any qualifying G3 subjects are mapped to G2 where the published method allows or requires it.
Always begin by checking which English and Mathematics results can be used and which other subjects qualify. The exact ‘best three’ selection can be subject to course-specific rules and eligibility minima. Adding arbitrary three lowest numbers without checking subject requirements can give an attractive but invalid total. Use the official admission guide for the year and programme.
Worked example: a mixed-level aggregate of 12
Imagine a fictional SEC result profile: G3 English B4, G3 Mathematics A1, G2 Science Grade 2, G2 Combined Humanities Grade 3 and G2 Chinese Grade 4. When a relevant G2-based ELMAB3 calculation permits these subjects, English B4 maps to 2 and Mathematics A1 maps to 1. The G2 subjects remain 2, 3 and 4. The arithmetic is 2 + 1 + 2 + 3 + 4 = 12.
This is a worked mapping example, not a promise that the fictional student satisfies every Polytechnic Foundation Programme requirement. PFP also applies subject-specific grade conditions, eligible subject categories, citizenship or school-candidate rules where relevant, and admission by merit. A mathematically correct aggregate is only one check in the application process.
Worked example: why B4 is not G2 Grade 4
Consider a pupil with G3 English B4 and G2 Mathematics Grade 3. A parent may mistakenly add 4 for English because the character 4 appears in B4. Under SEAB’s G3-to-G2 table, the English result maps to G2 Grade 2. The correct contribution to a G2-based aggregate is therefore two points, not four, if that result is eligible for the particular exercise.
This distinction can materially alter a calculated result. Keep the original result and the converted aggregate contribution next to each other. If using a spreadsheet, label separate fields such as ‘certificate grade’ and ‘mapped G2 contribution’. An unlabeled cell showing only 2 may later be mistaken for an actual G2 English grade.
What PFP 2028 generally checks
From Academic Year 2028, official school guidance describes broader access to the Polytechnic Foundation Programme for learners with G2 and mixed G2/G3 subject profiles. A raw G2-based ELMAB3 aggregate of 12 or better remains the stated broad PFP threshold. The English minimum for all clusters is G2 Grade 3; Mathematics and relevant-subject minima also apply, with best subjects subject to their stated requirements.
These conditions are separate. A student may have an ELMAB3 aggregate of 12 but lack a required subject grade, or satisfy academic eligibility but not secure a place because admission is competitive. The family must read the current MOE PFP admissions page and individual programme rules for the 2028 exercise rather than relying on a headline alone.
What Higher Nitec Year 2 generally checks
For the 2028 intake, MOE-linked school guidance describes entry into Year 2 of the three-year Higher Nitec structure through a G2-based ELMAB3 score of 19 or better, subject to applicable minimum entry requirements and programme availability. Students with G2 or mixed G2/G3 subjects may qualify to apply, with G3 grades mapped down where the rules require it.
Do not confuse this with admission into Year 1 of the three-year Higher Nitec route, whose requirements are based on G1-level results. The direct-Year-2 route and a PFP place are different pathways with different thresholds and selection processes. Parents should explore both when appropriate instead of assuming one number unlocks every course.
Direct polytechnic Year 1 has different rules
The 2028 post-secondary changes also affect direct polytechnic admission. School guidance describes an ELR2B2-based framework with a net aggregate cut-off and allowance for one relevant G2 best subject under specified conditions. That is not the same calculation as G2 ELMAB3 for PFP or Higher Nitec. A correct score under one framework cannot simply be pasted into another application.
The actual diploma may impose subject-specific minimum entry requirements, including relevant G3 subjects and English or Mathematics requirements. If the family is considering polytechnic Year 1, read the current 2028 course admissions criteria separately. A single subject’s strong G2 result is encouraging but does not guarantee eligibility for a diploma.
Why JCs and Millennia Institute are not ‘just mapping’
Junior college and Millennia Institute admissions use their own course requirements and G3-level examination criteria. A student cannot assume that every G2 subject automatically counts as an equivalent G3 result simply because SEAB publishes a conversion for another exercise. Grade mapping applies only where a specified admission formula says to use it.
Parents should resist using generic internet conversion charts to forecast JC entry. If the learner is interested in a JC or MI pathway, ask an education and career guidance counsellor to confirm the appropriate subject-level combination and the 2028 requirements. School choices should be based on real access conditions and the student’s readiness.
Different admission pathways can use the same subject differently
Imagine a student with G3 English and Mathematics plus several G2 electives. PFP may use a G2-based ELMAB3 total with the G3 grades mapped down, while a direct diploma course may have its own G3-related subject minima and different aggregate. The same physical SEC certificate can therefore lead to different eligible pathways depending on the chosen exercise.
This is not contradictory. Admission systems answer different questions: readiness for a foundation year, direct entry to a particular diploma, or a Higher Nitec course at a particular starting point. The family should select the pathway and course first, then use its eligibility table. The most dangerous mistake is to choose the easiest-looking conversion without checking whether the system permits it.
A personal grade-mapping worksheet
Use a simple table with columns for subject, examination G-level, actual grade, eligibility category, mapped grade where required, and which aggregate uses it. Add a small notes column for individual subject minimums. This will make it clear whether a mapped G2 number is being used for PFP, Higher Nitec or another permitted computation.
Do not alter the actual certificate grade during the calculation. Keep an original copy of the results and the precise source table used. If the official rules change, the family can update the separate worksheet without changing the historical record. A transparent calculation is easier to check with a teacher or career guidance counsellor than a single unexplained total.
A calculator or spreadsheet can still produce the wrong aggregate
A spreadsheet will add whatever numbers the parent enters, including incorrect mappings or ineligible subjects. Its arithmetic may be perfect while the admission logic is wrong. Before trusting an output, check the original result, the relevant mapping table, the subject eligibility and whether the aggregate is raw or net. Those words have specific meanings in admissions.
For example, incorrectly adding G3 B4 as four instead of mapped G2 Grade 2 changes a total by two points. Accidentally selecting an ineligible subject as one of the best three may also produce a misleading number. Verification should include checking every input against the certificate and current official admissions guide.
When Grade 1 still is not a guaranteed course place
A G2 Grade 1 is a strong subject result on its scale, but an applicant’s eligibility depends on the combination of subjects and any necessary grades in English, Mathematics and relevant disciplines. Placement may also depend on competitive demand, ranking and course choices. A high grade in one elective cannot substitute automatically for a missing required subject.
Parents should frame progress in terms of options rather than status. Ask which course requirements the pupil already meets and which need attention. A student can make thoughtful choices between PFP, ITE and other routes without treating one pathway as a verdict on worth or ability.
What if the result is weaker than expected?
A disappointing G2 grade may affect an admission calculation or subject minimum. The first action is to verify the actual result and review the official options for the next exercise. A parent should not immediately promise that a grade can be remapped upward, converted into a G3 pass or made eligible through an unofficial tuition letter.
Look at realistic available routes, including programmes with different entry requirements, possible appeals or review procedures where actually published, and future training opportunities. Any retake or private-candidate plan must follow SEAB’s eligibility and registration rules. The student’s confidence and wellbeing matter during this decision.
Frequently asked questions about SEC G2 grades
What are G2 grades in 2027? 1, 2, 3, 4, 5 and 6. Is Grade 1 best? Yes within G2. Is Grade 6 the same as G3 grade 9? No; the examinations have different standards and mapping rules. Does G3 A1 map to G2 Grade 1? Yes. Does G3 B4 map to G2 Grade 2? Yes. Does G3 D7 map to G2 Grade 3? Yes. Does G3 E8 map to G2 Grade 4? Yes. Does G3 9 map to G2 Grade 5? Yes.
Does G2 Grade 4 map to G1 B? Yes, when mapping is required. Does G2 Grade 5 map to G1 C? Yes. Can G3 grades be converted directly to G1? SEAB says first map G3 to G2, then G2 to G1. Is a mapped grade printed as the subject’s actual SEC grade? No, the certificate reflects the examination level taken. Does Grade 1 guarantee PFP? No. Is ELMAB3 a raw or net number? The published PFP 12-point threshold is raw. Verify each exercise’s exact rules.
Sources and related eduKate articles
The authoritative starting point is SEAB’s SEC grading and mapping policy, including its G3-to-G2 and G2-to-G1 tables. The 2027 G2 syllabus directory identifies real examination codes. Check MOE’s PFP admissions information and MOE Full SBB before advising a specific applicant.
For the wider reading pathway, see SEC candidates and 2028 retakes, G2 SEC exam calendar and the immutable teaching methodology. This article’s unique task is transparent aggregate mathematics, not prediction of admission outcomes.