well, it depends on whether you think that all students should be hard working. if you do, then it wouldn't be nice to call a hard working student a workaholic, because that has negative connotations.
goof-offs are the students who don't work so hard at school, but probably enjoy themselves a bit more. they would call a hard working student a workaholic because then the goof offs would feel better about not getting their work done.

or something like that.


formerly known as etaoin...