A one-point difference in the overall PSLE Score can sometimes change the child’s available Secondary 1 Posting Group options, while a one-point difference elsewhere has no effect on the group. The important numerical boundaries are 20/21, 22/23, 24/25, 25/26 and 30/31. For example, Score 20 places a child in PG3, but Score 21 permits the family to choose PG2 or PG3. Score 24 places a child in PG2, while Score 25 gives a PG1 or PG2 option. At Score 26, the PG1 route requires AL7 or better in both English and Mathematics. Parents must use the exact official score and additional subject conditions, not a rough estimate from school prelims.
The surprising part is that the numerically stronger score does not always offer more Posting Group flexibility. Score 20 is academically stronger than 21 but belongs to PG3, whereas 21 offers a choice of initial G2 or G3 learning through different Posting Groups. That is not a penalty for good performance; it reflects how the posting framework places pupils in suitable starting routes. It also does not mean one PSLE aggregate point equals one raw examination mark. A change from AL5 to AL6 in a subject might move the total across a group boundary, but the official AL reporting is based on achievement bands with unequal raw-mark widths. Families should distinguish the group rule from the educational decision about what learning pace is appropriate.
- 20 → 21: from PG3 to an option between PG2 and PG3.
- 22 → 23: from PG2/PG3 choice to PG2.
- 24 → 25: from PG2 to an option between PG1 and PG2.
- 25 → 26: from PG1/PG2 choice to PG1 only, if English and Mathematics are both AL7 or better.
- 30 → 31: from possible PG1 eligibility to outside the ordinary Posting Groups.
- Score direction: lower overall numbers are stronger; one PSLE point is not one raw mark.
- Parent action: confirm the exact group on the result slip before comparing any school-specific historical score ranges.
Definition lock: a boundary in the score table is not a raw-mark boundary
The overall PSLE Score is the sum of English, Mathematics, Science and Mother Tongue Achievement Levels, with the official Foundation equivalent used when applicable. A subject AL is a broad attainment category from 1 (strongest) to 8. The total is a whole number from 4 to 32. That whole number is then used in the Secondary 1 Posting Group framework.
A Posting Group is an admissions category that guides most subjects’ initial levels under Full Subject-Based Banding. PG3 normally begins most academic subjects at G3; PG2 at G2; and PG1 at G1. The groups are not the same as the individual PSLE ALs, and pupils can have certain subject-level opportunities that differ from the baseline, subject to eligibility and school arrangements.
A numerical Posting Group boundary is therefore a rule for selecting a route. It is not a claim that two pupils separated by one aggregate point have radically different intelligence, motivation or future opportunities. Those broader assumptions are not supported by the examination.
The current 2026 Posting Group mapping in one table
| PSLE Score | Eligible Posting Group | What the family must decide |
|---|---|---|
| 4–20 | PG3 | Select suitable schools using the applicable PG3 or special programme route |
| 21–22 | PG2 or PG3 | Choose one group, then rank schools within that route |
| 23–24 | PG2 | Use PG2 school options |
| 25 | PG1 or PG2 | Choose one group, then rank eligible schools |
| 26–30 | PG1, only with AL7 or better in both English and Mathematics | Check both the aggregate and the two core-subject ALs |
| 31–32 | No ordinary PG1/PG2/PG3 option | Ask the primary school about the authorised alternative pathways |
The mapping is available in MOE’s current Posting Groups guidance. For an actual child, use the official result and eligibility notice rather than assuming a hypothetical arithmetic combination has been processed exactly the same way as every administrative exception.
Boundary 1: What changes between Scores 20 and 21?
At Score 20, the child is in PG3 and normally starts most subjects at G3. At Score 21, the family has a choice between PG2 and PG3. That extra option recognises that some pupils near the boundary may be better served beginning most subjects at G2, while others are ready for the G3 pace. The choice should consider the child’s four-subject profile and the available schools.
| Illustrative subject profile | English | Maths | Science | MTL | Total | Route |
|---|---|---|---|---|---|---|
| A | AL4 | AL5 | AL5 | AL6 | 20 | PG3 |
| B | AL4 | AL5 | AL6 | AL6 | 21 | PG2 or PG3 |
These pupils differ by one Science AL point in the example. That does not mean their scientific understanding differs by exactly one raw mark. It illustrates how the sum crosses a posting boundary. A parent of the Score 21 child should ask which initial level is appropriate for most subjects, and may investigate whether stronger Standard-level subject ALs allow G3 offers even if PG2 is chosen.
Do not insist that Score 20 must allow PG2 simply because the child feels uncertain about G3. Instead ask the receiving school about appropriate support and any applicable subject arrangements for the child’s specific needs.
Boundary 2: What changes between Scores 22 and 23?
Score 22 is within the PG2/PG3 choice band. Score 23 is in PG2 without that ordinary option. A pupil at Score 23 may still qualify to offer a particular subject at G3 under Full SBB if the Standard-level subject AL is sufficiently strong, generally AL5 or better for an eligible PG2 pupil. So losing the initial group choice does not necessarily remove every opportunity to study at G3.
| Illustrative profile | English | Maths | Science | MTL | Total | Route |
|---|---|---|---|---|---|---|
| A | AL5 | AL5 | AL6 | AL6 | 22 | PG2 or PG3 |
| B | AL5 | AL6 | AL6 | AL6 | 23 | PG2 |
The child’s English AL5 in both examples may be relevant to an initial G3 English subject option when PG2 is selected. However, whether the child should take that subject at a more demanding level is a separate readiness question. A family should understand the actual school offer rather than view the one-point boundary only as a status label.
Boundary 3: What changes between Scores 24 and 25?
Score 24 belongs to PG2. Score 25 allows a choice between PG1 and PG2. Some families find this counterintuitive: a numerically less strong aggregate has a wider group option than the adjacent stronger score. The choice exists because students near this boundary may benefit from different starting curriculum levels, not because a weaker result is rewarded with a better school.
| Illustrative profile | English | Maths | Science | MTL | Total | Route |
|---|---|---|---|---|---|---|
| A | AL6 | AL6 | AL6 | AL6 | 24 | PG2 |
| B | AL6 | AL6 | AL6 | AL7 | 25 | PG1 or PG2 |
At Score 25, the family needs to ask whether most subjects at G1 or G2 would be more appropriate. Subject strengths can also influence selected G2 or G3 offers under Full SBB. The decision should not be made solely from the child’s disappointment or from a desire to choose the numerically higher group label. School culture, support and timetable matter.
Crucially, the group chosen at an option boundary applies to the ordinary six-school preference list under the current S1 Posting arrangements. A family cannot use PG1 for some schools and PG2 for others within the same normal submission simply to maximise apparent chances.
Boundary 4: What changes between Scores 25 and 26?
Score 25 creates the PG1/PG2 option. Score 26 falls in the numerical PG1 range, but adds the English/Mathematics condition: both subject ALs must be AL7 or better. If either English or Mathematics is AL8, the 26–30 PG1 row is not satisfied. This extra check does not apply to Score 25 in the same way.
| Illustrative profile | English | Maths | Science | MTL | Total | Eligibility interpretation |
|---|---|---|---|---|---|---|
| A | AL6 | AL6 | AL6 | AL7 | 25 | PG1 or PG2 |
| B | AL6 | AL6 | AL7 | AL7 | 26 | PG1; core-subject requirement met |
| C | AL8 | AL6 | AL6 | AL6 | 26 | PG1 core-subject requirement NOT met |
Pupils B and C have the same aggregate of 26, but only B meets the required English/Mathematics condition. This is why the family should not read the overall total in isolation at 26–30. The child with AL8 in English or Mathematics needs prompt clarification of the official eligibility and next educational routes from the primary school.
There are specific options for pupils outside ordinary Posting Group eligibility, including a further PSLE attempt or an appropriate specialised school application under the relevant rules. The official school is better equipped than an unofficial score calculator to advise on a child’s actual case.
Boundary 5: What changes between Scores 30 and 31?
Score 30 is the upper numerical limit of PG1 when the English and Mathematics condition is met. Score 31 is outside all three ordinary Posting Groups. The administrative difference can therefore be substantial, but it is not a reason to conclude that the two pupils have fundamentally different personal value or immutable potential.
| Illustrative profile | English | Maths | Science | MTL | Total | Route |
|---|---|---|---|---|---|---|
| A | AL7 | AL7 | AL8 | AL8 | 30 | PG1 eligible on the stated core-subject criterion |
| B | AL7 | AL8 | AL8 | AL8 | 31 | No ordinary Posting Group |
The second pupil has a total outside the ordinary range, and also has Mathematics AL8. The family should discuss next routes immediately with the school. In cases where a school range shows a historical PG1 COP of 30*, that asterisk does not permit Score 31 admission. It is a separate notation related to vacancies in a previous exercise.
Why the result is a sum rather than a percentage
The PSLE Score is an aggregate of subject achievement categories. Each AL contributes its printed number, not a raw percentage. For example, AL4 in English, AL5 in Mathematics, AL5 in Science and AL6 in Mother Tongue add to 20. If Science changes to AL6, the total becomes 21. This is a one-point change in the AL sum, not necessarily a one-mark raw difference in the Science paper.
AL bands have different widths. A pupil can improve within AL5 while remaining in the same category, and a small boundary-crossing raw-mark change can alter the AL. Parents should not use a posting boundary to claim they know the child’s hidden raw mark or exact national rank.
What if the child has Foundation subjects?
Foundation subjects are graded A, B and C and mapped to AL6, AL7 and AL8 for overall score calculation. The mapping reflects different curriculum demands. A Foundation A is not the same as Standard AL1, and a Foundation C must not be added as the letter C or three numeric points.
If a child is near Score 25 or in the PG1 26–30 range, the Foundation conversions can materially affect the total and the core-subject eligibility. Read the official result slip and ask the primary school about any exemption or unusual assessment arrangement. The score-to-group table is not a substitute for individual case confirmation.
How schools’ previous cut-offs interact with the group boundary
The school’s previous cut-off point is a separate historical number. It tells you the last admitted student’s PSLE Score in a particular posting route and year. It cannot override the child’s current Posting Group eligibility or the group’s English/Mathematics conditions. A child with Score 23 should not compare it with an unrelated PG3 cut-off of 20 and conclude that the family can choose PG3 despite the child’s PG2-only eligibility.
For a school offering PG1 and PG2, there may be different historical score ranges for each route. At Score 25, the family first selects the suitable group and only then compares schools using the matching row. Do not borrow the more favourable-looking number from the other group.
Use MOE SchoolFinder to check the correct school, programme, group, affiliation category and reference year. The old cut-off is planning information, not a guarantee of next year’s admission.
What a parent should ask at each boundary
| Boundary | Main question | Additional check |
|---|---|---|
| 20 / 21 | Is the child in PG3 or eligible to choose PG2/PG3? | Would G3 pace across most subjects suit the child? |
| 22 / 23 | Is a PG3 option actually available? | Could individual G3 subjects be offered from PG2? |
| 24 / 25 | Is the PG1/PG2 choice available? | Which starting pace and school routes fit best? |
| 25 / 26 | Does the English/Maths AL7 condition become relevant? | Confirm both subject ALs, not only the total |
| 30 / 31 | Is there ordinary PG1 eligibility at all? | Discuss alternative pathways immediately if ineligible |
A careful parent–child decision process
- Write down all four official subject ALs before discussing school names.
- Apply the Foundation equivalence where relevant and check the total.
- Find the exact score-to-Posting Group row.
- If the result is 21, 22 or 25, discuss the permitted group choice carefully.
- If the result is 26–30, verify that both English and Mathematics are AL7 or better.
- Separate the admission group from the individual G-level subject opportunities.
- List schools only within the applicable programme or group.
- Compare historical cut-offs using the correct year and route, without promising admission.
- Ask the child which subject demands, school culture and commute will be sustainable.
- Complete the official posting instructions before the deadline and keep confirmation.
What if the score feels unfairly close to a boundary?
It can be frustrating to see a whole Posting Group choice hinge on an aggregate value of 20 versus 21 or 24 versus 25. Acknowledge that the rule has real consequences while avoiding unsupported claims about what the child “deserved”. The AL reporting system is designed around broad attainment categories, and official admission decisions use those reported categories rather than reconstructed marks.
If there is a genuine concern that a subject result was marked or entered incorrectly, use the formal SEAB review procedure through the primary school within the current deadline. Do not delay school-choice submission while assuming the reviewed score will change. Most reviews leave grades unchanged, and an appeal for examination marking is different from a later school-admission appeal.
Frequently asked questions
Is Score 20 better than Score 21?
Yes, the aggregate 20 is numerically stronger. But Score 20 belongs to PG3, while Score 21 offers an option between PG2 and PG3 under the current rules.
Can Score 23 choose PG3 because it is only one point away from 22?
No. Score 23 is in PG2 under the current ordinary mapping. Specific individual G3 subjects may still be available if the relevant Standard-level AL conditions are met.
Does Score 25 require AL7 or better in English and Mathematics to choose PG1?
The published additional English/Mathematics condition is attached to the 26–30 PG1 row. Score 25 is itself a PG1/PG2 option band. Check the child’s actual official eligibility if there are unusual circumstances.
Does a pupil scoring 26 always qualify for PG1?
No. At 26–30, both English and Mathematics must be AL7 or better. AL8 in either core subject does not meet that condition.
Does Score 31 qualify for PG1 if the child has strong English?
No. Score 31 is outside the ordinary PG1 numerical range, irrespective of a stronger individual subject.
Can parents use one group for three choices and another for the other three?
Not under the ordinary single-group S1 preference submission at the option bands. The group choice applies across the six submitted schools.
The conclusion: one point can change the route, but not the child’s identity
A single AL aggregate point can matter at a defined Posting Group boundary, especially 20/21, 22/23, 24/25, 25/26 and 30/31. The correct response is to understand the exact rule, confirm the child’s subject results, select an eligible group and then choose schools that suit the pupil. It is not sound to infer exact raw marks, intelligence or future achievement from that one-point difference. Clear administration and realistic educational planning matter more than argument over a numerical label.
Official references: MOE Posting Groups, MOE PSLE scoring system, MOE SchoolFinder. Related: Scores 21–22: Choosing PG2 or PG3, Score 25: PG1 or PG2.