| Value | Category |
|---|---|
| -96 | Other |
| 1 | Never attended school |
| 2 | Basic (Grade 1-10) incomplete |
| 3 | Basic (Grade 1-10) complete |
| 4 | Secondary (Grade 11-12) incomplete |
| 5 | Secondary (Grade 11-12) complete |
| 6 | Intermediate Diploma incomplete |
| 7 | Intermediate Diploma complete |
| 8 | Bachelor incomplete |
| 9 | Bachelor complete or higher |
| 10 | Vocational training |
| Sysmiss |