| Value | Category | 
|---|---|
| 1 | 1. No schooling | 
| 2 | 2. Some primary school | 
| 3 | 3. Primary school completed | 
| 4 | 4. Some high school | 
| 5 | 5. Matric | 
| 6 | 6. Artisan's certificate obtained | 
| 7 | 7. Technikon diploma/degree completed | 
| 8 | 8. University degree completed | 
| 9 | 9. Professional | 
| 10 | 10. Technical | 
| 11 | 11. Secretarial | 
| 12 | 12. Other | 
| 13 | 13. Refused |