An Educative Crossword

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Across
  1. 2. Principles of an Institute
  2. 3. Someone who excels at varied subjects
  3. 6. Not good at maths
  4. 7. Well Educated
Down
  1. 1. The year in the middle of a three-year course
  2. 4. Morally educational or preachy
  3. 5. Guide for Grading