Here are some ideas for your summer school list:

1. Outdoor activities such as hiking, camping, and swimming
2. Sports like soccer, basketball, and volleyball
3. Art projects like painting, drawing, and pottery
4. Music lessons, playing instruments, or singing
5. Dance classes such as ballet, jazz, or hip hop
6. Cooking and baking classes or learning new recipes
7. Science experiments and projects
8. Writing workshops, storytelling, and creative writing exercises
9. Team-building activities and games
10. Cultural events like attending concerts, plays, or festivals.