Glastry crossword

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Across
  1. 2. how old most people are when they start year 8
  2. 3. how teachers reward you if you are good
  3. 5. the subject where you have to use a calculator
  4. 10. the colour of the walls in the hallway
  5. 11. the name of this type of puzzle
Down
  1. 1. the things you get if you are badly behaved
  2. 4. the people that help you learn
  3. 6. the surname of the head teacher
  4. 7. the things you use to heat things up in science
  5. 8. the age you can leave school at
  6. 9. the surname of the year 8 head of year
  7. 12. the instrument Dr timpany plays in the cathedral