| Value | Category |
|---|---|
| -9 | REFUSED |
| -7 | DON'T KNOW |
| 1 | KORANIC SCHOOL |
| 2 | LESS THAN PRIMARY SCHOOL COMPLETED |
| 3 | PRIMARY SCHOOL COMPLETED |
| 4 | LESS THAN SECONDARY SCHOOL COMPLETED |
| 5 | SECONDARY SCHOOL COMPLETED |
| 6 | HIGH SCHOOL COMPLETED |
| 7 | COLLEGE/UNIVERSITY COMPLETED |
| 8 | POST GRADUATE DEGREE COMPLETED |