School crossword

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Across
  1. 2. a formal dance for high school students at the final academic year and upon their graduation
  2. 4. a room in a university, from which students can buy food and drink
  3. 5. someone who leaves school or college before finishing their studies
  4. 8. someone whose job is cleaning and taking care of a school or other building
  5. 9. a branch of mathematics in which abstract letters and symbols represent numbers in order to ganeralize the arithmrtic
Down
  1. 1. a book that provides students with extra exercises
  2. 3. an official document that states one has successfully passed an exam or completed a course of study
  3. 6. a sum of money given by an educational institution to someone with great ability in order to financially support their education
  4. 7. the position that a university professor has
  5. 10. a small closet that usually has a lock, in which valuable items and belongings could be stored