Related Clues:
- Graded item
- Type of tube
- Beta version, e.g.
- Diploma seeker's hurdle
- Word with litmus or acid
- Class struggle?
- Tryout
- Surprise quiz found in the eight longest puzzle answers
- Multiple-choice, e.g.
- Midterm worry
- Put out a feeler, maybe
- Means to a diagnosis
- Reason for a cram session
- Acid follower
- Class act?