Age Guidelines for Entry​

School Section Year Group Age
Early Years
Harrow Cubs
1.5 to 2
Pre-Nursery
2 to 3
Nursery
3 to 4
Reception
4 to 5
Pre-Prep School
Year 1
5 to 6
Year 2
6 to 7
Year 3
7 to 8
Year 4
8 to 9
Prep School
Year 5
9 to 10
Year 6
10 to 11
Year 7
11 to 12
Year 8
12 to 13
Senior School
Year 9 (Shells)
13 to 14
Year 10 (Removes)
14 to 15
Year 11 (Fifth Form)
15 to 16
Year 12 (Lower Sixth)
16 to 17
Year 13 (Upper Sixth)
17 to 18