I was taking a look at my teaching evals (and no, I'm not revamping my stuff for the fall yet. God.) and got typically angry at the paragraph long rant by that surly kid who consistently shows up just just a minute late and won't avail himself of help no matter how far you go out of your way.
Idea: Why don't we rate students the same way they rate us, you know, with comments optional? So instead of 'B,' you can report 'B - lacks focus in papers, overly aggressive with other students...' Comments go at the end of the transcript for anyone who cares.
-- Second Suitor