Related Clues:
- Sports climax
- Semester ender
- Student's worry
- Set in concrete, so to speak
- 'Is that your -- answer?'
- Deciding game
- Reason for an all-nighter
- Most important U.S. Open match
- Big part of a grade, often
- It may make the grade
- Student's exam
- Important test
- With 16-Across, term climax
- Event before vacation, maybe
- Not subject to any more changes