Why do schools not allow gum?

Related questions

1. Why is wearing a hat in school disrespectful?
2. Should hoodies be oversized?
3. Should hoodies be allowed in school?
4. What is a hoodie called without a hood?
5. What does a hoodie symbolize?
6. Is sweatshirt good for winter?
7. Which material is warmest?
8. Do hoodies help with anxiety?
9. Can we wear hoodies in summer?
10. Why is taking off your hat a sign of respect?

Tags

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2. #helps
3. #stress
4. #proven
5. #three
6. #chewing
7. #teachers
8. #school
9. #reasons
10. #relax
11. #relieve
12. #students
13. #better
14. #focus
15. #distracting
16. #become
17. #messy
18. #think
19. #allowed
20. #should
21. #because