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Learning Has No Key Stages

Mark McCourt
09 November 2026

The government's announcement that schools should not begin Key Stage 4 early rests upon a rather curious understanding of how learning works. It assumes that the administrative divisions of schooling correspond to meaningful boundaries in the development of human understanding. They do not.

Key Stage 4 is a statutory phase of education, and there are National Curriculum programmes of study for certain subjects within it. But the knowledge pupils encounter does not suddenly become GCSE knowledge on the first day of Year 10. Mathematics, literature, science and history do not organise themselves around the school calendar. Knowledge builds upon knowledge, understanding develops through sustained intellectual engagement, and the foundations of what is eventually assessed at GCSE are laid many years before a pupil encounters an examination paper.

There is, of course, a legitimate concern about schools narrowing the curriculum prematurely, sacrificing breadth and intellectual richness in pursuit of examination results. A curriculum organised principally around the demands of assessment risks confusing education with certification. But that is an argument against impoverishing the curriculum, not against allowing pupils to advance through it.

A pupil who has securely mastered the ideas ordinarily taught in Year 9 should not be required to spend another year rehearsing them simply because the calendar has not yet reached September. Equally, a pupil who has not yet mastered the foundations of those ideas should not be hurried towards more advanced material merely because their classmates have reached a particular age. Neither pupil is well served by a system that mistakes uniformity of pace for educational entitlement.

Our obligation is to ensure that every single pupil participates fully in the intellectual life of the school, progressing at a rate that secures both success and fulfilment. That obligation extends equally to the pupil who requires considerably more time and carefully structured support, and to the pupil whose intellectual appetite and capacity demand greater challenge. Both deserve an education that takes their learning seriously. Neither should be sacrificed to the convenience of Key Stage label.

This is not an argument for accelerating pupils indiscriminately, nor for abandoning a broad and coherent curriculum. Genuine intellectual progress requires secure foundations, careful sequencing, sufficient time to develop understanding, and opportunities to encounter ideas of increasing sophistication. It requires teachers to exercise informed professional judgement about what each pupil is ready to learn next.

The ambition should not be to get children through the curriculum as quickly as possible, but neither should it be to keep them moving through it at a predetermined pace. The ambition must be to ensure that learning takes place, that understanding becomes secure, and that every pupil experiences the satisfaction of genuine intellectual achievement.

There is something profoundly dispiriting about an educational debate conducted as though the central question is whether schools should take two years or three to prepare pupils for GCSE examinations. Surely our ambitions for children ought to extend beyond the length of an examination course.

The proper question is whether the curriculum, and the teaching through which it is brought to life, enables every child to flourish intellectually. That demands both breadth and depth, both security and challenge, and an unwavering refusal to place artificial ceilings upon what any pupil might achieve.

Key stages may be useful for administering a national education system, but they are a poor substitute for a theory of learning. Children do not develop in neat, two- or three-year compartments, and we should be wary of policies that behave as though they do.

We must meet every child where they are, but refuse to leave them there. The pace of their intellectual journey should be determined by what they have learned and what they are ready to learn next, not by the date printed on their birth certificate.