Here's a very interesting, but at the same time disturbing bullying story
http://www.youtube.com/watch?v=sTRDRP2n4Sk&feature=channel_page
Anyway, I don't remember any bullying due to religion at our school, then again I never really faced any bullying so who knows.
In our uni the student population is so diverse in beliefs/culture that bullying due to faith/or lack of it, would be weird; & I've never seen any so far. Maybe I just don't notice.