1. The geographical location of the school (small shop outside or take-away effect, etc. )
2. Number of schools
3. Students' consumption level
4. What is the number of stalls in the canteen?
5. Whether the location of the booth is advantageous, the taste and variety of the food, and the quality of the food.
6. Services and so on
It will affect the stall business more or less.
If you want to know more about stalls or stalls, you can consult me.