Describe classroom objects and places in school

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Across
  1. 3. door
  2. 5. principal's office
  3. 9. library
  4. 10. window
  5. 11. chalk
  6. 12. clock
  7. 13. board, chalkboard
  8. 14. gymnasium
  9. 15. pencil
  10. 18. map
Down
  1. 1. notebook
  2. 2. paper
  3. 4. backpack
  4. 6. calculator
  5. 7. desk
  6. 8. cafeteria
  7. 9. eraser
  8. 13. hall
  9. 16. pen
  10. 17. bathroom