Crossword Puzzle Grueling grad tests

Clue: Grueling grad tests

Serious faculty member when it comes to grading tests? (GRAVEMARKER with 11 letters)
How some tests are graded (ONACURVE with 8 letters)
Grueling grad grillings (ORALS with 5 letters)
Like some graduate tests (ORAL with 4 letters)
Some grad school tests (ORALS with 5 letters)
Grueling tests (ORALS with 5 letters)
Guthrie's grad school tests on clean energy? (ARLOSSOLARORALS with 15 letters)
Gradually appeal to (GROWON with 6 letters)
Of higher grade (CLASSIER with 8 letters)
H.S. proficiency tests (GEDS with 4 letters)