| Value | Category |
|---|---|
| 1 | No schooling |
| 2 | Some primary school |
| 3 | Primary school completed |
| 4 | Some high school |
| 5 | Matric (Grade 12) |
| 6 | Artisan's certificate obtained |
| 7 | Technikon diploma |
| 8 | University degree completed |
| 9 | Professional |
| 10 | Technical |
| 11 | Secretarial |
| 12 | other |