Guide to UK key stages by age & year
The UK National Curriculum sets out targets to be achieved in various subject areas at each of the Key Stages.
The Key Stages were first defined in 1988 Education Reform Act to accompany the first introduction of the National Curriculum. The following guide has been particularly helpful for our overseas teachers.
Y = School years
Key Stage 0 (KS0)
Age 3–5. Y0. Nursery / Reception (Early Years Foundation Stage)
Key Stage 1 (KS1)
Age 5–7. Y1–2. 1st–2nd form infants
Key Stage 2 (KS2)
Age 7–11. Y3–6. 1st–4th form juniors 11 plus (generally only for Grammar School entry)
Key Stage 3 (KS3)
Age 11–14. Y7–9. 1st–3rd form secondary
Key Stage (KS4)
Age 14–16. Y10–11. 4th–5th form secondary GCSEs
Key Stage (KS5)
Age 16–18. Y12–13. Sixth form secondary, FE college A-Levels, AS-Levels, NVQs, Diplomas