| 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 |