Related Clues:

• It might make a pupil shrink
• Criterion
• Piece of instruction
• Critical evaluation
• Lab event
• See 91-Down
• Placement determinant, often
• The 'T' of S.A.T.
• Word with acid or field
• Course obstacle
• School event
• Teacher's offering
• Put under pressure
• Lab activity
• Shakedown cruise, e.g.