| Value | Category |
|---|---|
| 1 | No formal education |
| 2 | Primary school, not graduated |
| 3 | Graduated from primary school |
| 4 | Graduated from secondary school |
| 5 | High school/college/university |
| 6 | Arabic/Koranic |
| 7 | Vocational/technical |
| 8 | Non-conventional curriculum |
| 77 | Don't Know |
| 88 | Not Applicable |
| 99 | No Response |