Originally Posted by Viveeh
Generally it is seen as okay, but please keep in mind the cosplay police do patrol every con and you should be prepared for an interview to explain your choice of character.
It's true. I've been arrested numerous times for cosplaying from obscure JRPGs at anime cons. They ask you how many people recognized you and everything. It's scary.
We actually have thread about this fairly often. Here's the most recent:
I don't really feel like rehashing everything I said in there.
(Also, I may be totally behind on the times, but I feel like Baka to Test is fairly known? I don't think it's ever been super popular cosplay-wise, but I feel like people watch it...or watched it. My knowledge of this is probably from several years ago.)