| Value | Category |
|---|---|
| 1 | Never been to school |
| 2 | Primary school (Grade 7) not completed |
| 3 | Primary (Grade 7) Completed |
| 4 | Grade 8 or equivalent completed |
| 5 | Grade 10 or equivalent completed |
| 6 | Grade 12 or equivalent completed |
| 7 | Completed higher ed. past grade 12 |
| 8 | Other |
| 9 | Grade 8 not completed |
| 2147483625 | Don't know |
| 2147483639 | Refused |
| 11 | .E |