| Value | Category |
|---|---|
| 1 | Poor households |
| 2 | Ethnic minorities |
| 3 | Households of fallen combatants |
| 4 | Households of war invalids, sick soldiers, or with revolutionary merits |
| 5 | Deep, remote, especially difficult areas |
| 6 | Households in difficult circumstances (specify) |
| 7 | Primary school students |
| 8 | School doesn't collect tuition fees |
| 9 | Others (specify) |
| Sysmiss |