Related Clues:

• Screen, in a way
• Student's obstacle
• Word after screen, stress or smell
• Medical checkup
• 'Let's put it to the ___'
• Test that used to be in the morning
• Skills assessment
• Do a PCR
• Word before 'drive' or 'tube'
• Something overseen by a proctor
• Common subject of a stress dream
• Worth more than a quiz
• End-of-semester hurdle
• Top grade ultimately raised in test
• Quizzes big brother