| Value | Category |
|---|---|
| 1 | no formal schooling |
| 2 | some primary school |
| 3 | primary school completed |
| 4 | some high school |
| 5 | high school completed |
| 6 | some university/college |
| 7 | university/college completed |
| 8 | post-grad |
| 9 | other post matric qualifications |
| 10 | don't know |
| 98 | refused |
| 99 | missing data |