Key Stages in schools
Key Stage Age in years School Year
Foundation Stage 0-5 Nursery Not applicable
Reception
Key Stage 1 5-6 Primary: Infant 1
6-7 2

Key Stage 2

7-8 Primary: Junior 3
8-9 4
9-10 5
10-11 6

Key Stage 3

11-12 Secondary 7
12-13 8
13-14 9

Key Stage 4

14-15 Secondary - GCSE 10
15-16 11

Sixth Form/Key Stage 5

16-17 Post-16 12
17-18 13