| Value | Category |
|---|---|
| -9 | Don't know |
| 1 | No formal education or pre-school only |
| 2 | Some primary school, not completed |
| 3 | Primary education completed |
| 4 | MSLC/JSS/JHS |
| 5 | Secondary: SSS/SHS/VOC/O or A Level |
| 6 | Secondary (Post-basic): Technical/Vocational/Africultural |
| 7 | Training Colleges, Poly, University (1st 2nd degree) |
| 8 | PhD |
| Sysmiss |