Answer:

ORALS

Answer	Crossword Clue
ORALS	End-of-study tests
ORALS	Exams, of a sort
ORALS	Some tests

ORALS	Grueling exams
ORALS	Zeus' sister and wife
ORALS	Voice tests?
ORALS	Advanced exams
ORALS	Exam types
ORALS	Tests without paper
ORALS	Pre-diploma hurdles
ORALS	Face-to-face exams

ORALS	Ph.D. hurdles
ORALS	Tests you may talk through
ORALS	Doctoral hurdles
ORALS	Tough exams
ORALS	Advanced tests
ORALS	Graduate grillings
ORALS	Some finals
ORALS	Tough tests

ORALS	Some degree requirements
ORALS	Advanced degree tests
ORALS	Grueling grad tests
ORALS	Think-on-your-feet challenges
ORALS	Hard exams
ORALS	Thesis defenses
ORALS	They're often evaluated by doctors
ORALS	Hurdles for would-be doctors

ORALS	Paperless tests
ORALS	Think-on-your-feet tests
ORALS	Exams during which students can talk
ORALS	Exams given by committee
ORALS	Postgrad hurdle
ORALS	Doctoral exams
ORALS	Face-to-face finals
ORALS	Grueling grad grillings

ORALS	Some doctoral exams
ORALS	Tests without pens
ORALS	Verbal grillings
ORALS	Doctoral hurdle
ORALS	Face-to-face tests