Varies according to the territory or province
| Grade/Year level | Age range |
| Kindergarten | 4-6/7 |
| Grade/Year 1 (elementary) | 6/7 or 7/8 |
| Grade/Year 2 (elementary) | 7/8 or 8/9 |
| Grade/Year 3 (elementary) | 8/9 or 9/10 |
| Grade/Year 4 (elementary) | 9/10 or 10/11 |
| Grade/Year 5 (elementary) | 10/11 or 11/12 |
| Grade/Year 6 (elementary or lower secondary) | 11/12 or 12/13 |
| Grade/Year 7 (elementary or lower secondary) | 12/13 or 13/14 |
| Grade/Year 8 (elementary or lower secondary) | 13/14 or 14/15 |
| Grade/Year 9 (lower secondary) | 14/15 or 15/16 |
| Grade/Year 10 (lower or upper secondary) | 15/16 or 16/17 |
| Grade/Year 11 (upper secondary) | 16/17 or 17/18 |
| Grade/Year 12 (upper secondary | 17/18 or 18/19 |
Bold = compulsory (in most territories/provinces)