How Education Works | Education Fiscal Space & Budget Sustainability — How Systems Expand Learning Commitments Without Writing Cheques Future Budgets Cannot Cash

HEW-NODE-0168 · How Education Works · Education fiscal space, recurrent commitments and budget sustainability

An education minister can announce 10,000 new teachers in an afternoon. The difficult part begins the following year.

Those teachers must still be paid. Their salaries may rise. Pension and benefit obligations may accumulate. Classrooms may need to be built, equipped, cleaned, connected and maintained. New schools need principals, electricity, water, transport links, learning materials, support staff and replacement budgets. A digital-learning programme can begin with a one-off device purchase and then become a permanent bill for connectivity, licences, support, security, repairs and replacement. A scholarship programme can be politically easy to launch and fiscally painful to withdraw after families have reorganised their plans around it.

This is the problem of education fiscal space and budget sustainability: whether a government has enough durable room in its public finances to make an education commitment and keep it functioning without destabilising the wider budget, crowding out other essential services, or creating promises that later have to be cut abruptly.

It is not the same job as education costing, which estimates what a policy or system requires. It is not the same as budget formulation, which turns priorities into authorised allocations. It is not the same as a public expenditure review, which diagnoses how existing money is being used. Fiscal-space analysis asks an earlier and harsher question: can the public finance system carry this commitment over time?

Quick Answer

Education fiscal space is the room a government has to finance additional or continuing education expenditure without undermining fiscal sustainability or macroeconomic stability. That room depends on the size and reliability of public revenue, debt and interest burdens, competing public obligations, demographic change, the existing education wage bill, expenditure efficiency, external grants, economic growth, political choices and the future recurrent costs created by today’s decisions.

A system therefore should not ask only, “Can we afford this reform in the next budget?” It should ask, “What permanent obligations does this reform create, what happens under weaker revenue or higher costs, which parts are reversible, what must continue during a downturn, and what would we have to stop paying for if this commitment grows faster than the budget that supports it?”

The International Monetary Fund has long used fiscal space to describe budgetary room for a desired purpose that does not jeopardise fiscal sustainability. The World Bank now maintains a cross-country fiscal-space database covering debt sustainability, balance-sheet composition, external and private debt, and market access. Education-specific work by the World Bank has repeatedly shown why headline spending shares are not enough: countries with similar percentages of GDP devoted to education can have radically different resources per school-age child because the underlying economy, tax base, public budget and demographic burden differ.

The Central Mistake: Treating a Budget Line as Permanent Capacity

A budget is an annual legal and financial instrument. An education system is a multi-decade institution. Confusing the two creates some of the most predictable failures in public education finance.

A ministry receives a temporary revenue windfall. It expands a programme. The programme creates permanent staffing. The windfall disappears. Or a donor finances a pilot with generous support staff, transport, technology and training. The pilot succeeds. Government scales it nationally, but the domestic budget can finance only the visible activity, not the support structure that made the pilot work. Or a country builds schools with capital finance but does not secure enough recurrent funding for teachers and maintenance. The buildings exist. The educational service inside them remains thin.

In each case, the first-year budget was real. What was missing was the time dimension.

A sustainable education commitment is not a payment that can be made once. It is a service obligation whose future costs remain affordable under plausible conditions.

Fiscal Space Is Not a Single Percentage

Public debate often compresses education finance into one number: education spending as a percentage of GDP, or as a percentage of total public expenditure. These ratios are useful signals. They are not complete measures of fiscal capacity.

Suppose Country A and Country B each spend 5% of GDP on education. Country A has a much larger tax base, lower debt-service costs, a smaller school-age population and stronger administrative capacity. Country B collects little revenue, pays high interest on debt, has a rapidly growing school-age population and already spends most of its education budget on salaries. The identical 5% headline does not create identical room for the next reform.

The useful question is not simply “What share do we spend?” but “What resources are available per learner and per obligation, how rigid is existing spending, what future liabilities have already been created, and how much room remains after essential commitments are met?”

This is one reason the World Bank’s work on education spending adequacy has emphasised spending per school-age child alongside conventional international benchmarks. A percentage can look respectable while the actual resource envelope remains very small.

The Education Budget Has a Hard Core and a Flexible Edge

Not every dollar in an education budget can be moved with equal ease. The system usually contains a hard core of obligations that are politically, legally or operationally difficult to change quickly.

teacher and staff salaries;
pensions, benefits and statutory contributions;
debt or lease payments linked to infrastructure;
contracted transport, meals, security, cleaning or technology services;
minimum operating costs required to keep schools open;
legally protected entitlements;
essential examinations, records and regulatory functions;
maintenance needed to prevent expensive asset deterioration.

Other spending is more adjustable: discretionary grants, new pilots, some capital projects, expansion of optional programmes, replacement cycles, professional-development formats or the pace of rollout. But even “flexible” spending can contain educational dependencies. Cutting textbooks, substitute coverage or maintenance may technically balance the budget while quietly degrading the service the budget is meant to finance.

A fiscal-space analysis therefore needs a map of spending rigidity. If 85% of an education budget is already committed to payroll and other difficult-to-adjust items, the apparent total budget can conceal a very small decision margin. A ministry can look large on paper and still have almost no room to change the system.

Teacher Hiring Is a Multi-Year Financial Decision

Teacher employment illustrates the problem clearly. Hiring one additional teacher is not a one-year expense. It is a stream of future expenditure.

The cost can include recruitment, preparation, salary, annual increments, allowances, benefits, professional learning, leave coverage, payroll administration, promotion, retirement obligations and the facilities and materials needed for the teacher to work effectively. If the teacher is deployed to a hard-to-staff area, the full package may also include housing, relocation or retention incentives.

This is why teacher workforce forecasting and fiscal-space analysis should talk to each other. A workforce model may correctly show that 8,000 additional teachers are needed. The fiscal question is whether those posts can be funded through the years in which the teachers will actually serve. If not, the system must revisit recruitment pace, class-size policy, deployment, training throughput, salary design, role allocation or revenue—not pretend the financing constraint does not exist.

Capital Spending Creates Recurrent Spending

A new school is a capital asset. It is also a machine for generating future operating costs.

After construction comes cleaning. Electricity. Water. Internet. Security. Repairs. Furniture replacement. Equipment servicing. Grounds maintenance. Insurance where applicable. Staff. Learning materials. Accessibility upgrades. Periodic refurbishment. Eventually, major renewal.

This is why capital investment appraisal should include the recurrent tail of a project rather than judging only the construction price. A school that is affordable to build but unaffordable to operate is not a cheap school. It is an underfunded future institution.

The same principle applies to technology. A device programme can be misread as a procurement event. In reality, it is a lifecycle commitment. Networks require support. Devices break. Security standards change. Batteries degrade. Software licences renew. Platforms need accessibility work. Replacement cohorts arrive. If the recurring layer is not financed, the programme decays into a collection of ageing assets.

Demography Can Expand or Release Fiscal Space

Education finance is unusually sensitive to demography because the number and age distribution of learners shape demand for places, teachers and services.

A rapidly growing child population can make a stable education budget feel like a cut because the same money must be divided among more learners. A shrinking cohort can release capacity—but only if buildings, staff and fixed costs can be reorganised rather than simply left unchanged. Migration can produce sudden local pressure even when national enrolment is stable. Expansion of secondary or tertiary participation can create new cost structures because later stages of education may require different facilities, specialist staff and financial-aid arrangements.

This connects directly to education demographic and enrolment projections. Forecasting tells the system how demand may change. Fiscal-space work asks what those projected cohorts imply for sustainable expenditure.

Revenue Matters Before Allocation

An education ministry can improve allocation, reduce leakage and prioritise well. It still cannot spend revenue the state does not have.

That makes education finance partly a whole-of-government problem. Tax capacity, economic growth, debt service, public-sector pay, social protection, health, defence, infrastructure and local-government finance all shape the envelope inside which education operates. In low-revenue settings, even a large education share of public expenditure can translate into very low spending per learner. Where interest payments rise, education can be crowded out without any change in the social value of education itself.

This does not mean education ministries should accept the envelope passively. It means their case for more resources is stronger when it is tied to credible costing, implementation capacity, evidence of value, realistic recurrent obligations and transparent trade-offs. “Education matters” is a moral statement. “Here is the sustainable financing path, the service gain, the risk if funding stops and the expenditure we can absorb effectively” is a budget argument.

Five Ways Fiscal Space Can Change

There is no single lever. Fiscal room can expand—or contract—through several channels.

More public revenue. Economic growth, tax reform, improved compliance or other revenue measures can enlarge the total budget.
Reprioritisation. Government can shift spending away from lower-priority or less effective uses toward education.
Greater efficiency. Better deployment, procurement, payroll integrity, maintenance or programme design can release resources from waste without pretending that every efficiency gain is cash immediately available for reuse.
External grants or concessional finance. These can expand resources, but sustainability depends on duration, conditions, domestic co-financing and the recurrent obligations left behind.
Borrowing. Debt can finance productive investment, but debt service reduces future fiscal space and is not a free substitute for recurring revenue.

The important discipline is to separate temporary funding from permanent fiscal capacity. A three-year grant may be perfect for a one-off transformation cost, such as developing a new information system or training an initial cohort. It is more dangerous when used to create permanent salary obligations unless a credible domestic financing handover exists.

Efficiency Is Necessary, but It Is Not an Infinite Piggy Bank

“Improve efficiency” is one of the most common answers to a financing gap. Sometimes it is exactly right. Ghost workers, poor procurement, misallocated teachers, unused buildings, fragmented technology contracts, duplicate programmes and weak maintenance can absorb real resources without producing corresponding educational value.

But efficiency should not become a fictional residual that closes every spreadsheet. Some efficiency gains are difficult to realise. Some take years. Some require upfront investment. Some improve service quality without producing cash savings. Some move costs rather than remove them. A smaller class, for example, may improve a policy objective while increasing cost; a larger class may reduce cost while imposing educational trade-offs. The choice cannot be settled by labelling one option “efficient”.

A credible financing plan therefore identifies the mechanism of each claimed saving, the implementation steps, the timing, the responsible institution and whether the saving is genuinely available to fund something else.

The Wage Bill Can Become the Hidden Ceiling

In many education systems, personnel spending is the largest budget component. That is not inherently a problem: education is labour-intensive, and capable teachers are central to the service. The problem appears when the wage bill grows faster than sustainable revenue or absorbs so much of the envelope that schools lack the complementary inputs teachers need.

A system can therefore be simultaneously teacher-heavy and teacher-poor: a very large share of money goes to salaries, yet there are still shortages in specific subjects or locations because deployment is uneven, payroll contains anomalies, class structures are inefficient, or new enrolment grows faster than recruitment capacity.

The fiscal-space lens asks whether new hiring, salary reform and career structures fit the medium-term public wage envelope. It also asks what happens to non-salary spending. A classroom with a teacher but no materials, maintenance, electricity or assessment infrastructure is not a fully financed classroom.

A Reform Can Be Educationally Right and Fiscally Unsustainable

This is an uncomfortable distinction, but it matters.

Suppose a country wants universal free preschool. The educational case may be strong. The equity case may be strong. Families may benefit. Yet immediate nationwide implementation may require facilities, teachers, assistants, materials, meals, transport and regulatory capacity far beyond the available envelope.

The correct conclusion is not necessarily “do not do it”. It may be “sequence it”. Start with the most underserved regions. Build teacher supply. Establish standards. Use a multi-year expansion curve. Protect quality. Create a revenue path. Test unit costs. Adjust the model before national saturation.

This is where fiscal sustainability and reform sequencing meet. Finance does not merely constrain ambition. Done well, it helps ambition survive contact with time.

Build the Commitment Ledger Before the Announcement

A useful education fiscal-space review can begin with a commitment ledger. For every major policy, record not only the first-year appropriation but the future obligations it creates.

How many years does the commitment last?
Which costs are one-off and which recur?
Which costs grow automatically through salary scales, inflation, enrolment or contractual indexation?
Which obligations are legally or politically difficult to reverse?
What capital maintenance follows the initial investment?
What staffing pipeline is required?
What happens when external financing ends?
What happens if revenue is 10% lower than forecast?
What is protected in a downturn?
What can be delayed without causing larger future costs?

The ledger changes the conversation. A programme with a modest launch cost may reveal a large recurrent tail. A more expensive first-year investment may turn out to reduce later operating costs. A policy that appears affordable at current enrolment may become difficult under demographic growth. A capital project may need a maintenance reserve from the beginning.

Use Scenarios, Not a Single Forecast

No ministry knows the future revenue path exactly. Fiscal sustainability should therefore be tested across scenarios rather than certified by one central forecast.

A practical model might include a baseline, a low-growth case, a high-inflation case, a revenue shortfall, faster enrolment growth, higher teacher attrition, exchange-rate pressure on imported technology, or increased interest payments. The purpose is not to predict which shock will happen. The purpose is to learn which commitments break first and whether the system has options before a crisis forces abrupt cuts.

This is a close relative of education system stress testing and scenario planning, but the job here is narrower: tracing fiscal capacity, recurrent obligations and budget resilience.

The Difference Between an Affordable Pilot and an Affordable System

Pilots are often cheap because they are small. That says almost nothing about national affordability.

A pilot may use unusually capable staff, donated equipment, intensive technical assistance and short procurement routes. Its unit cost may fall with scale because fixed costs are spread more widely. Or the opposite may happen: costs rise because national rollout reaches remote schools, requires more supervision, exposes infrastructure gaps and competes for scarce skilled workers.

Before scaling, finance teams should recalculate the programme at system scale. What does it cost at 1,000 schools rather than 20? What happens when the programme must operate through normal payroll, procurement, data and accountability systems? Which costs were hidden in partner support? Which capacities become bottlenecks? Does expansion crowd out existing services?

This complements education policy pilots and scaling. Evidence that something can work is different from evidence that the public finance system can carry it at scale.

External Finance Can Buy Time; It Cannot Magically Create a Domestic Tax Base

Development grants, concessional lending and partner finance can expand education capacity substantially. They can fund capital investment, system reform, technical assistance, learning recovery, data systems and temporary acceleration. But sustainability requires clarity about what happens after the external money ends.

The Global Partnership for Education emphasises alignment with national systems partly because parallel projects can fragment planning, budgeting and accountability. Fiscal sustainability adds another reason: the closer a programme sits to the country’s own budget and implementation machinery, the easier it is to see its real long-term cost and domestic financing requirements.

A good transition plan identifies which costs government will absorb, when the handover occurs, what revenue supports it, what service level is sustainable and which temporary project functions should end rather than being institutionalised automatically.

Do Not Confuse Fiscal Sustainability With Permanent Austerity

Fiscal sustainability is sometimes heard as a polite way of saying “spend less”. That is too narrow.

A country may have sustainable room to spend more because it can raise revenue, improve compliance, reallocate expenditure, borrow prudently for productive investment, reduce inefficient spending or benefit from stronger growth. In other cases, underinvestment itself is fiscally costly: neglected maintenance creates larger capital bills later; weak foundational learning increases repetition and remediation; severe teacher shortages can undermine returns on existing infrastructure.

The objective is not the smallest possible education budget. It is a budget whose commitments are both adequate enough to operate the service and durable enough to be honoured.

A Simple Sustainability Test for a New Education Promise

Before a major programme is announced, decision-makers can ask seven questions.

Full-cost test: Have we counted the complete lifecycle cost rather than the launch price?
Recurrent-tail test: Which obligations continue after the initial funding period?
Revenue test: What stable revenue source carries those obligations?
Stress test: What happens under weaker growth, higher inflation or a revenue shock?
Crowding-out test: What existing service loses resources if this programme expands?
Reversibility test: Which commitments can be adjusted, and which create rights, contracts or workforce obligations that are hard to unwind?
Service-floor test: If finances tighten, what minimum educational function must remain protected?

If those questions do not have credible answers, the programme may still be educationally desirable. It is simply not yet a sustainable commitment.

Worked Example: A National Class-Size Reduction

Imagine a government wants to reduce average class size from 35 to 28 students. The policy sounds like a staffing decision. It is actually a system-finance decision.

First, the ministry estimates how many additional classes are required. Then it calculates teachers, rooms, furniture, utilities and materials. If existing schools lack rooms, construction enters the model. If teacher-training colleges cannot produce enough qualified teachers, salary incentives or alternative preparation routes may be needed. If some regions already have small classes while cities are overcrowded, a national average may conceal very different local costs.

Now add time. Newly hired teachers progress through salary scales. Buildings need maintenance. Cohort sizes change. Inflation affects construction and supplies. Pension costs accumulate. The policy may require higher recurrent spending every year, not only during implementation.

Next, stress the plan. If revenue grows 2% instead of 5%, does the policy still fit? If the school-age population rises faster than forecast, does the target class size become progressively more expensive? If there is a recession, is class size protected while capital expansion slows, or does the system reverse hiring?

Only after these questions can decision-makers see the real fiscal shape of the policy. The result may be full rollout, phased rollout, geographic targeting, a different class-size target or a choice to prioritise teacher quality and deployment instead. Fiscal analysis does not choose the educational objective. It reveals the financial consequences of each route.

Worked Example: Free Devices for Every Student

Consider a one-device-per-student programme. The initial procurement price is the most visible number and often the least informative one.

A sustainable model adds network upgrades, identity management, technical support, teacher preparation, accessibility, protective cases, charging, repair centres, spares, cybersecurity, content platforms, software subscriptions, insurance or loss policy where used, and an expected replacement cycle. If devices last four years, roughly one quarter of the fleet may need replacement each year once the system reaches steady state, even before enrolment growth.

The fiscal question becomes: does the annual budget contain a permanent replacement and support line, or has the system financed the first generation and created an unfunded second generation?

This is why procurement, device lifecycle management and fiscal-space analysis must connect. An asset strategy without a financing strategy decays on schedule.

What Finance Ministries Need From Education Ministries

Education ministries understandably argue for the social and economic value of learning. Finance ministries need that argument translated into decision-ready fiscal information.

credible enrolment and workforce projections;
transparent unit costs;
clear separation of capital and recurrent spending;
medium-term cost profiles rather than first-year prices;
implementation capacity and realistic rollout speed;
evidence on which programmes create value;
options at different funding levels;
specific efficiency measures rather than unexplained savings assumptions;
risks, contingent obligations and transition costs;
a plan for monitoring whether money turns into the promised service.

When those pieces exist, education becomes easier to defend inside whole-of-government prioritisation because the ministry can show not only what it wants but what the commitment means across time.

What Education Ministries Need From Finance Ministries

The relationship runs both ways. Education cannot plan rationally if annual ceilings swing unpredictably, cash releases arrive late, wage rules are opaque or medium-term assumptions change without explanation.

Education systems benefit from realistic multi-year expenditure ceilings, clear macroeconomic assumptions, predictable cash management, transparent public-sector pay rules, timely information about fiscal risks and structured dialogue when adjustment is required. A sudden across-the-board cut may be administratively simple and educationally destructive because it treats a postponable capital project and a school meal as if they had the same consequences.

Sustainable financing therefore depends on institutional conversation between the education and finance functions—not only an annual negotiation over the final number.

Fiscal Rules Need Educational Interpretation

Governments may operate under debt limits, deficit rules, expenditure ceilings, wage-bill constraints or borrowing restrictions. These are not education policies, but they shape education possibilities.

A wage ceiling can constrain teacher hiring even when the education budget has other funds. A capital rule can shift projects across years. Debt-service growth can squeeze discretionary expenditure. Local governments may have balanced-budget requirements that make school finance behave differently from the national budget.

The education response should not be to ignore macro-fiscal constraints or to treat them as mysterious external forces. It should translate them into operational consequences: vacancies, class sizes, maintenance cycles, grant formulas, infrastructure pace and programme design. That translation allows decision-makers to choose consciously rather than discover the effect after schools feel it.

Sustainability Also Means Protecting the Future From Today’s Convenient Accounting

Some commitments remain outside the most visible budget line until later. Guarantees, long-term contracts, pension obligations, deferred maintenance and implicit rescue expectations can all become future claims on public resources.

That boundary is owned in more detail by education contingent liabilities and fiscal risk. Fiscal-space analysis uses those risks as inputs. A programme that appears affordable only because future obligations are kept outside the immediate appropriation is not genuinely cheap.

The Equity Problem Inside Fiscal Tightness

When budgets tighten, equal percentage cuts are not necessarily equitable cuts.

A wealthy school may absorb a reduction through reserves, parent support or existing infrastructure. A remote or disadvantaged school may lose the transport route, specialist support or small-school supplement that makes access possible. A reduction in student aid may push low-income learners out while leaving better-off learners largely unaffected. Cutting a universal programme and a targeted inclusion service by the same percentage can produce very different human consequences.

Fiscal sustainability therefore needs an equity layer. The system should know which expenditures protect access, which groups have the fewest substitutes and which cuts would create costs elsewhere—dropout, repetition, health problems, longer travel or later remediation.

The Political Economy Is Real

Not every financially sensible adjustment is politically easy. Schools are community institutions. Teacher posts are jobs. Scholarships create expectations. Fees are visible. Capital projects are geographically specific. Closing a small programme can mobilise a constituency even when the system-level case is strong.

This does not make fiscal analysis useless. It makes transparency more important. Decision-makers should distinguish what is financially necessary, what is educationally desirable, what is politically preferred and what trade-off is being made. Hiding the trade-off does not remove it; it merely pushes the cost into arrears, declining quality, delayed maintenance or future cuts.

Signals That Fiscal Space Is Becoming Too Tight

Systems rarely discover fiscal stress all at once. Warning signs accumulate.

vacancies remain unfilled despite approved staffing norms;
salary payments crowd out school grants and materials;
maintenance backlogs grow every year;
capital projects are repeatedly started and delayed;
cash releases arrive later than the budget calendar assumes;
programme expansion depends on temporary finance with no handover plan;
new entitlements are introduced without a medium-term cost path;
arrears build up with vendors or local authorities;
inflation repeatedly erodes real purchasing power;
emergency reallocations become routine rather than exceptional.

Each signal has other possible causes. Together, they suggest a growing gap between policy promises and the financial capacity carrying them.

A Better Decision Rule: Fund the Service, Not the Announcement

Public policy naturally celebrates beginnings: the first school, first device, first scholarship, first training cohort. Education quality depends more heavily on continuity.

The better financing rule is therefore simple: do not judge affordability at the launch point; judge it at the steady-state service point.

What will the programme cost when all intended learners are included? What is the normal annual replacement bill? What staffing does it require after the launch team leaves? What maintenance prevents asset decay? What happens when salaries rise? What costs move to local government? What must be renewed every five years? Which costs are indexed to inflation or foreign currency?

The steady-state picture is less glamorous than a launch. It is much closer to the truth.

How This Node Connects to the Education System

Fiscal space sits between macro public finance and concrete educational delivery. It receives information from costing, demographic projections, workforce plans, infrastructure pipelines, contract obligations and programme evaluations. It returns constraints and options to budgeting, sequencing, procurement and implementation.

Useful neighbouring routes include the main How Education Works hub; Education Costing; Budget Formulation & Medium-Term Expenditure Frameworks; Public Expenditure Reviews & Spending Diagnostics; Contingent Liabilities & Fiscal Risk; and Earmarks, Ring-Fencing & Fiscal Fungibility.

Frequently Asked Questions

Is fiscal space just another name for the education budget?

No. The annual education budget records authorised expenditure for a period. Fiscal space concerns whether additional or continuing expenditure can be carried sustainably within the broader public-finance position, including revenue, debt, competing obligations and future recurrent costs.

Does a country that spends 6% of GDP on education automatically have adequate financing?

No. Spending shares provide useful context but do not by themselves reveal resources per learner, cost structure, service quality, demographic pressure, revenue capacity or spending efficiency. Similar shares can correspond to very different real resource levels.

Can donor money create fiscal space?

It can expand available resources, especially for investment, transformation or temporary acceleration. But a durable programme needs a plan for what happens when the external financing ends. Temporary finance should not be confused with permanent domestic capacity.

Is borrowing bad for education finance?

Not automatically. Borrowing can finance productive long-lived investment, but debt creates future repayment and interest obligations. Whether it expands or eventually reduces fiscal space depends on terms, debt sustainability, the value created and the government’s wider fiscal position.

Why does maintenance belong in a fiscal-space article?

Because capital assets create recurrent obligations. A school or technology fleet that cannot be maintained is not fully financed. Deferred maintenance can also turn small recurring costs into large future capital costs.

Sources and Further Reading

Final Thought: Education Promises Need a Financial Memory

Education is full of decisions whose consequences outlive the budget in which they began.

A teacher hired today may serve for decades. A school built today may remain for generations. A scholarship changes a family’s expectations. A digital platform becomes part of daily instruction. A fee waiver becomes part of access. A maintenance decision changes the future condition of an asset.

The system therefore needs a financial memory long enough to match the life of its promises.

Fiscal space is not a reason to think smaller. It is a reason to distinguish an announcement from a commitment, a first-year appropriation from a sustainable service, and ambition from a promise that the next budget cannot keep.

When education finance works well, the question is not merely whether the system can start something good.

It is whether the system can still afford to do the good thing properly when the launch is over, the headlines have moved on, and the next generation arrives.