| Value | Category |
|---|---|
| 0 | No classes completed |
| 1 | Class 1 completed |
| 2 | Class 2 completed |
| 3 | Class 3 completed |
| 4 | Class 4 completed |
| 5 | Class 5 completed |
| 6 | Class 6 completed |
| 7 | Class 7 completed |
| 8 | Class 8 completed |
| 9 | Class 9 completed |
| 10 | Class 10 completed |
| 11 | Class 11 completed |
| 12 | Class 12 completed |
| 13 | Lower secondary diploma |
| 14 | Secondary school/ Baccalaureate holder |
| 15 | Technical/vocational pre-secondary diploma/certificate |
| 16 | Technical/vocational post-secondary diploma/certificate |
| 17 | Undergraduate |
| 18 | Graduate |
| 19 | Post-graduate and above |
| 20 | Temple schooling |
| 97 | Other |
| 98 | DK |