EDUCATION

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Across
  1. 2. a room in a school where a class is taught
  2. 4. a place for teaching especially children
  3. 5. a person who teaches, especially in a school
  4. 6. a centre/center of advanced education and research, that has the power to grant degrees
Down
  1. 1. the main language of England and the rest of Britain
  2. 2. a higher-education institution
  3. 3. an undergraduate or graduate studying for a degree at a university etc