Atheism isn't a religion and I'd be surprised to see it covered extensively.
This is probably better suited to a post in Student Life than RGT, I dunno if anyone here was a religion major and what they planned to do with it.
I may (I think I do but I'm not 100% sure) have the most college hours in religion classes out of anyone in RGT, but at the time I thought I was en route to becoming a pastor. I don't know what everyone else planned to do with theirs. Mostly it was people planning on being pastors or missionaries, history majors that picked it up as a minor, and those planning on going into archeology that were just dabbling.
Oh, and of course those that spent the first few years of college not knowing wtf they were doing, but that goes without saying.
Edit: Oh and of course those few that just liked studying religion and likely ended up as religious studies professors.