| Value | Category |
|---|---|
| 1 | No formal schooling |
| 2 | Less than Pre-primary (Infant) or Primary |
| 3 | Pre-primary (Infant) or Primary |
| 4 | Lower / Junior Secondary (Forms 1-3) / Senior Primary |
| 5 | Upper Secondary (Forms 4-5) |
| 6 | Post-Secondary, non-tertiary (diploma or associate degree) |
| 7 | Tertiary/College/University |
| 8 | Post graduate degree |
| 88 | Refused |