| Value | Category |
|---|---|
| 1 | Age of child |
| 2 | Residence in school catchment area |
| 3 | Whether parents can pay school fees |
| 4 | Being on waiting list |
| 5 | Early registration |
| 6 | Performance on national examination |
| 7 | Performance on school entry examination |
| 8 | Religious affiliation |
| 9 | Other (describe) |
| Sysmiss |