Possible Clues:

• Large chunk of one's final grade, often
• They're full of questions
• Tests after some oddly fell back
• Tests divorcee as embracing spy boss
• Tests new axes around military, primarily
• Reasons for some doctor visits
• Finals or physicals
• Ophthalmologist's offerings (... + first 2)
• End-of-semester hurdles
• OWLs and NEWTs, at Hogwarts