| Value | Category |
|---|---|
| 0 | Had not begun school last year |
| 1 | Attending nursery, kindergarten etc (lower than P.1) |
| 10 | Attending P.1 |
| 11 | Attending P.2. |
| 12 | Attending P.3 |
| 13 | Attending P.4 |
| 14 | Attending P.5 |
| 15 | Attending P.6 |
| 16 | Attending P.7. |
| 17 | |
| 30 | Attending S.1 |
| 31 | Attending S.2 |
| 32 | Attending S.3 |
| 33 | Attending S.4 |
| 34 | Attending S.5 |
| 35 | Attending S.6 |
| 36 | |
| 40 | Attending post primary/junior specialized training or certificate or diploma |
| 50 | Attending Post secondary Specialized training or diploma |
| 60 | Attending Degree and above |
| 98 | Don't Know |
| Sysmiss |