Who is it?

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Across
  1. 2. What most desks are in class.
  2. 4. How high a wave is.
  3. 5. How the desks are arranged.
  4. 7. A landform on Mr. Broderick's head.
  5. 9. His last name is where you get dark water.
  6. 12. Even though you're getting picked up you're called this.
  7. 13. Something you need to pay in class.
  8. 14. How many are in our class?
  9. 15. Still can't tell who is who.
Down
  1. 1. We didn't take any this year. Thanks COVID.
  2. 3. Gym, art, and music.
  3. 6. Sometimes ask you to turn them on or off for me.
  4. 8. Her last name could cut you.
  5. 9. Do you remember your first time playing it?
  6. 10. Did her ancestors work in a mill?
  7. 11. Can't tell who is who.