School Related - Crossword Puzzle

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Across
  1. 3. You use this to write
  2. 4. You use this to work out sums
  3. 8. A shortened word for advertisement
  4. 9. A group of people join this to share a common interest
  5. 12. Ceremony where you receive your diploma
  6. 14. A container to carry your midday meal
  7. 15. Used to make straight lines
  8. 16. You write on this
  9. 17. You raise this when you have a question
Down
  1. 1. Smaller than a test
  2. 2. When your teacher is absent, you have a _____.
  3. 3. Person in charge of the school
  4. 5. You do this every day at school
  5. 6. When you are late for class
  6. 7. A popular sport at school
  7. 10. It may take you to school every day
  8. 11. Hottest season of the year
  9. 13. Mid-morning break