INCA Education around the world
Japan : Grade/year level key
Grade/Year Group Key
| Year | Age range |
| Year 1 | 6-7 |
| Year 2 | 7-8 |
| Year 3 | 8-9 |
| Year 4 | 9-10 |
| Year 5 | 10-11 |
| Year 6 | 11-12 |
| Year 7 | 12-13 |
| Year 8 | 13-14 |
| Year 9 | 14-15 |
| Year 10 | 15-16 |
| Year 11 | 16-17 |
| Year 12 | 17-18 |
Bold = compulsory
