Possible Clues:

• Maj. event for a law student
• Exam whose highest possible score is 180, for short
• Future attorney's hurdle, for short
• Bar aspirant's hurdle
• Challenge for an atty. wannabe
• Aspiring attys.' exam
• Exam for future JDs
• Exam on which Elle Woods scored a 179
• Trial for a future atty
• Hurdle for aspiring attys