| Value | Category |
|---|---|
| 0 | Not yet qualified as a teacher |
| 1 | Diploma from teacher training college |
| 2 | Advanced Certificate in Education (ACE) |
| 3 | Four year teaching degree |
| 4 | Honours or higher post-graduate in education degree from university |
| 5 | PGCE from university |
| 6 | Other, specify |