| Value | Category | 
|---|---|
| -9 | No response | 
| 1 | No qualification \n (previously) | 
| 2 | Incomplete \n primary (currently) | 
| 3 | P4 | 
| 4 | P5 | 
| 5 | P6 | 
| 6 | Junior 3 | 
| 7 | Junior 4 | 
| 8 | Sec. 1 | 
| 9 | Sec. 2 | 
| 10 | Sec. 3 | 
| 11 | Sec. 4 | 
| 12 | Sec. 5 | 
| 13 | Sec. 6 | 
| 14 | Post secondary \n diploma program | 
| 15 | University | 
| 16 | Khalwa | 
| Sysmiss |