| Value | Category |
|---|---|
| 0 | no formal schooling |
| 1 | informal schooling (including koranic) only |
| 2 | some primary schooling |
| 3 | primary school completed |
| 4 | some high school |
| 5 | high school completed |
| 6 | post secondary qualifications (not university ) |
| 7 | some university, college |
| 8 | university, college completed |
| 9 | post graduate |