Across
- 3. geography
- 4. physics
- 5. calculous
- 6. small
- 7. class
- 10. big
- 12. math
- 13. high school
- 14. biology
- 17. literature
- 19. male teacher
- 21. hard
- 22. optional
Down
- 1. geomotry
- 2. science
- 3. social studiesel
- 5. female teacher
- 8. male student
- 9. chemistry
- 11. popular
- 15. history
- 16. obligated
- 18. level
- 20. algebra