grade-grubber

grade-grubber

1. A student who is intently and primarily focused on getting good grades. I know some of the kids in my class are just grade-grubbers—anxious to get an A above all else.
2. A student who tries to persuade the teacher to change their grade, as through flattery or questioning. He only complimented your outfit because he's a grade-grubber who wants you to turn his B into an A. All the grade-grubbers are saying that I misled them with how I worded one of the questions on the test, ugh.
Farlex Dictionary of Idioms.

grade-grubber

1. n. an earnest, hardworking student. (In the way a pig roots or grubs around for food.) If there are too many grade-grubbers in a class, it will really throw off the grading scale.
2. n. a student who flatters the teacher in hopes of a higher grade. A few grade-grubbers help assure old professors that the world is not really changing at all.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • grubber
  • grubbers
  • grade-grubbing
  • grub
  • cock an ear at (someone or something)
  • cock an ear/eye at somebody/something
  • all eyes
  • all ears
  • het
  • hang on someone's words