| P | Preschool | Typical age less than 3 | 30 | |
| K | Kindergarten | Typical age 3–5 | 30 | |
| 1 | Primary school First grade | Typical age 6 | 30 | |
| 2 | Primary school Second grade | Typical age 7 | 30 | |
| 3 | Primary school Third grade | Typical age 8 | 30 | |
| 4 | Primary school Fourth grade | Typical age 9 | 30 | |
| 5 | Primary school Fifth grade | Typical age 10 | 30 | |
| 6 | Primary school Sixth grade | Typical age 11 | 30 | |
| 7 | Junior secondary school Seventh grade | Typical age 12 | 30 | |
| 8 | Junior secondary school Eighth grade | Typical age 13 | 30 | |
| 9 | Junior secondary school Ninth grade | Typical age 14 | 30 | |
| 10 | Senior secondary school Tenth grade | Typical age 15 | 30 | |
| 11 | Senior secondary school Eleventh grade | Typical age 16 | 30 | |
| 12 | Senior secondary school Twelfth grade | Typical age 17 | 30 | |
| 13 | University first year | Typical age 18 | 30 | |
| 14 | University second year | Typical age 19 | 30 | |
| 15 | University third year | Typical age 20 | 30 | |
| 16 | University fourth year | Typical age 21 | 30 | |
| 17 | Graduate level | Typical age 22+ | 30 | |