| Value | Category |
|---|---|
| 1 | school too far |
| 2 | poor school building |
| 3 | living standard of teachers is too low |
| 4 | school budget constraint |
| 5 | not enough places/desks |
| 6 | not enough supplies |
| 7 | poor quality of teachers |
| 8 | not enough teachers |
| 9 | classes not held regularly |
| 10 | other |
| 98 | don't know |
| 99 | missing |