B1
a number or letter that shows how good someone's work or performance is
Dictionary examples:
My dog ate my homework, but the teacher still gave me an A grade! (0.0)
I got the highest grade in the class: Z-! (0.0)
I got such a perfect grade, my teacher asked for my autograph! (0.0)
Steve never studies, but he always gets good grades. (22.9)
Carla's German grade was an A. (49.6)