Related Clues:

• Most important
• Academic hurdle
• Championship
• Important exam
• Last in a series
• Sports climax
• Semester ender
• Set in concrete, so to speak
• 'Is that your -- answer?'
• Deciding game
• Reason for an all-nighter
• Most important U.S. Open match
• Final
• Big part of a grade, often
• It may make the grade