| Value | Category |
|---|---|
| 1 | No formal schooling |
| 2 | Less than primary school |
| 3 | Primary school completed |
| 4 | Jnr. Secondary school completed |
| 5 | Snr. Secondary school completed |
| 6 | High school completed |
| 7 | Tertiary school completed |
| 8 | College/University completed |
| 9 | Post graduate degree |
| 88 | Refused |