| Value |
Category |
| 00 |
Persons who are yet to complete nursery or primary 1 |
| 01 |
Pre-class |
| 02 |
Nursery 1 |
| 03 |
Nursery 2 |
| 04 |
Primary 1 |
| 05 |
Primary 2 |
| 06 |
Primary 3 |
| 07 |
Primary 4 |
| 08 |
Primary 5 |
| 09 |
Primary 6 |
| 10 |
Junior Secondary School (JSS) 1 |
| 11 |
Junior Secondary School (JSS) 2 |
| 12 |
Junior Secondary School (JSS) 3 |
| 13 |
Senior Secondary School (SSS) 1 |
| 14 |
Senior Secondary School (SSS) 2 |
| 15 |
Senior Secondary School (SSS) 3 |
| 16 |
A-Levels or OND (ordinary national diploma) |
| 17 |
Bachelor's degree or HND (higher national diploma) |
| 18 |
Post graduate |
| 19 |
Other |
| 98 |
Unknown |
| 99 |
NIU (not in universe) |
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.