Related Clues:

• Pushes, like a parent's limits
• Battery units?
• SAT and MCAT
• Things that might end with 'Pencils down!'
• Exams, assessments
• What unprepared students dread
• Hardy character keeping fit ultimately for trials
• Trying times?
• Tries other sites occasionally
• Dips a toe in
• Exams and quizzes