| Value | Category |
|---|---|
| 00 | NIU (not in universe) |
| 01 | No education |
| 11 | Primary, year 1 |
| 12 | Primary, year 2 |
| 13 | Primary, year 3 |
| 14 | Primary, year 4 |
| 15 | Primary, year 5 |
| 16 | Primary, year 6 |
| 17 | Primary, year 7 |
| 18 | Primary, year 8 |
| 19 | Undocumented |
| 21 | Post primary, year 1 |
| 22 | Post primary, year 2 |
| 23 | Post primary, year 3 |
| 29 | Undocumented |
| 31 | Undocumented |
| 32 | Undocumented |
| 33 | Undocumented |
| 34 | Undocumented |
| 35 | Undocumented |
| 36 | Undocumented |
| 37 | Undocumented |
| 39 | Undocumented |
| 41 | Undocumented |
| 42 | Undocumented |
| 43 | Undocumented |
| 49 | Undocumented |
| 51 | Undocumented |
| 52 | Undocumented |
| 53 | Undocumented |
| 54 | Undocumented |
| 55 | Undocumented |
| 56 | Undocumented |
| 57 | Undocumented |
| 58 | Undocumented |
| 59 | Undocumented |
| 99 | Undocumented |