| Value | Category |
|---|---|
| -9 | REFUSED |
| -7 | DON'T KNOW |
| 1 | NO FORMAL SCHOOLING |
| 2 | PRIMARY EDUCATION |
| 3 | BASIC SECONDARY EDUCATION |
| 4 | GENERAL SECONDARY EDUCATION |
| 5 | SECONDARY TECHNICAL AND VOCATIONAL EDUCATION |
| 6 | INCOMPLETED HIGHER EDUCATION |
| 7 | COLLEGE/UNIVERSITY COMPLETED |
| 8 | POST GRADUATE DEGREE COMPLETED |