Related Clues:

• Breast ___
• Word with eye or taste
• Kind of pattern or pilot
• Cause of a class struggle?
• New driver's hurdle
• Entrance requirement, perhaps
• See 80-Across
• Course climax
• Academic hurdle
• Academic challenge
• Class act
• Bar ___
• Put through the paces
• Dental procedure
• Take it to make the grade