Related Clues:
- Graduate-school exams
- Degree requirement, sometimes
- Grad students' exams
- Spoken tests
- Advanced tests
- Doctorate hurdles
- Tests for Ph.D. candidates
- Paperless tests
- Graduate grillings
- Pre-diploma hurdles
- Unwritten exams
- Grad student's hurdle
- Doctorate exam hurdles
- Grueling grad tests
- Advanced degree tests