"grade" synonyms, related words, and opposites

Similar:

grad, degree, rate, mark, form, surface, place, order, class, range, more...

Opposite:

decline, worsen, deteriorate, regress, downgrade

Types:

A, B, C, D, F, P, S, U, I, X, more...

Meter:

Adjectives:

first, third, eighth, second, sixth, fourth, fifth, highest, seventh, lowest, ninth

Crossword clues:

certain level, f on a test paper, bad mark, f on a physics exam, f on a test, exam mark, high marks, academic level, a score, to rank