Related Clues:

• Criterion
• Critical evaluation
• Lab event
• 'Is that your -- answer?'
• Deciding game
• See 91-Down
• Reason for an all-nighter
• Placement determinant, often
• The 'T' of S.A.T.
• Dentist's offering
• Common course completer
• Pre-diploma hurdle
• Occasion for proctors
• Word with acid or field
• Course obstacle