| Value | Category |
|---|---|
| 1 | No School completed |
| 2 | Preschool/Nursery school |
| 3 | Some primary |
| 4 | Complted primary |
| 5 | Completed form 3 |
| 6 | Completed form 5 |
| 7 | Completed form 6 |
| 8 | Completed form 7 |
| 9 | Some College/No degree |
| 10 | Bachelors degree |
| 11 | Masters degree |
| 12 | Doctoral degree |
| 13 | Vocational certificate |
| 14 | Other |