[japhyr]

I read never made an effort to improve his grades as refusing to do the rote work that schools often require in order to earn a high grade. I've seen so many situations where students pass their tests with perfect scores, but receive low grades because they don't do their homework and don't do all of their in-class assignments.

[CiPHPerCoder]

That was me, except I did most of the in-class assignments. Homework was actually detrimental to my understanding: I'd lose interest in the subject and forget things.

(I'm glad that, instead of doing homework, I spent my spare time teaching myself more interesting subjects.)