| Value | Category | 
|---|---|
| 0 | None | 
| 1 | Kindergarten | 
| 2 | Primary | 
| 3 | JSS/JHS | 
| 4 | Middle | 
| 5 | SSS/SHS | 
| 6 | Secondary | 
| 7 | Vocational/Technical/Commercial | 
| 8 | Teacher training/Nursing | 
| 9 | Post secondary diploma | 
| 10 | Bachelor degree | 
| 11 | Post graduate (Cert., Diploma, Masters, PHD, ect) | 
| 12 | Dont Know | 
| Sysmiss |