Last puzzle of the school year

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Across
  1. 9. errors are this
Down
  1. 1. the greatest kids in the world
  2. 2. what we celebrated more than once this year
  3. 3. an older kid who came to visit and talk to us about national parks
  4. 4. student who shows patience and understanding when left out. (Thank you!)
  5. 5. a man who is growing his hair long
  6. 6. a month many kids skiddadled.
  7. 7. the name of Mrs. Schultz's husband
  8. 8. the start of haggerty214
  9. 10. an older kid who played music for us