1. Puberty
2. Transition between schools
3. Dating
4. Death of a loved one
5. Peer pressure
6. Gangs
7. Violence
8. Domestic abuse
9 suicidal thoughts or actions
Inappropriate touching without consent, catcalling, etc.
An action you could take would to improve the health of a school is buy water bottles for the sports teams at school, by doing this you will hydrate the teams preventing them from going to the hospital for dehydration.
It has to have an important lesson the story has to be easy to follow for the age range you’re writing about and illustration has to be high quality.