Related Clues:

• Class act?
• Course climax, often
• Student's challenge
• Classroom challenge
• See 7 Down
• Big part of a grade
• Important test
• Event for proctors
• Hospital administration?
• It's sometimes made up
• With 16-Across, term climax
• Student stressor
• Event before vacation, maybe
• Diploma hurdle
• Not subject to any more changes