| School Section | Year Group | Age |
|---|---|---|
| Early Years | Harrow Cubs | 2 - 3 |
| Pre-Nursery | 3 - 4 | |
| Nursery | 4 - 5 | |
| Reception | 5 - 6 | |
| Pre-Prep School | Grade 1 | 6 - 7 |
| Grade 2 | 7 - 8 | |
| Grade 3 | 8 - 9 | |
| Grade 4 | 9 - 10 | |
| Prep School | Grade 5 | 10 - 11 |
| Grade 6 | 11 - 12 | |
| Grade 7 | 12 - 13 | |
| Grade 8 | 13 - 14 | |
| Senior School | Grade 9 | 14 - 15 |
| Grade 10 | 15 - 16 | |
| Grade 11 | 16 - 17 | |
| Grade 12 | 17 - 18 |
| 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 |
