English word puzzle

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Across
  1. 3. - Exam or quiz to evaluate knowledge
  2. 6. - Repeated aggressive behavior towards another student
  3. 8. - Bag used to carry school supplies
  4. 12. - Study of past events
  5. 14. - Room where teaching takes place
  6. 15. - Act of being present at school
  7. 16. - Material used for reading and studying
  8. 18. - White or colored material used for writing on the blackboard
  9. 19. - Person who attends school
  10. 22. - Process of acquiring knowledge
  11. 24. - Sound that indicates the start or end of class
  12. 25. - Institution where students learn
  13. 26. - Person who instructs students
Down
  1. 1. - Course focused on numbers and calculations
  2. 2. - Surface used for writing in the classroom
  3. 4. - Piece of furniture used for writing
  4. 5. - Ceremony to mark completion of studies
  5. 7. - Facility used for indoor sports and events
  6. 9. - Course focused on artistic expression
  7. 10. - Head of a school
  8. 11. - Work assigned to be done outside of class
  9. 13. - Break time for students
  10. 17. - Vehicle used to transport students to school
  11. 20. - Writing instrument commonly used in school
  12. 21. - Midday meal at school
  13. 23. - Act of gaining knowledge