Related Clues:

• Class act?
• Course climax, often
• Student's challenge
• Classroom challenge
• See 7 Down
• True-false, for one
• Not an actual alert
• Pop quiz, e.g.
• Do lab work on
• Important test
• Event for proctors
• Clinical study
• Hospital administration?
• Reason to say "1, 2, 3..."
• Run up the flagpole, e.g.