| Kindergarten | age | |
| 3½ – 6 | ||
| Upper School | age | equivalent |
| class 1 | age 6 /7 | (P2 or 3) |
| class 2 | age 7/8 | (P3 or 4) |
| class 3 | age 8/9 | (P4 or 5) |
| class 4 | age 9/10 | (P5 or 6) |
| class 5 | age 10/11 | (P6 or 7) |
| class 6 | age 11/12 | (P7 or S1) |
| class 7 | age 12/13 | (S1 or 2) |
| class 8 | age 13/14 | (S2 or 3) |
| Upper School | age | equivalent |
| class 9 | age 14/15 | (S3 or 4) |
| class 10 | age 15/16 | (S4 or 5) |
| class 11 | age 16/17 | (S5 or 6) |
| class 12 | age 17/18 | (S6) |
