Which brings up a good question . . . are we all required to take "Lives on Campus" or is that just assumed?
Neither. You can take it, but you don't have to. Rooming with other PCs (either on or off campus) is also acceptable, though if you're on-campus with someone of the opposite sex, there should probably be at least a vague explanation for why no one's corrected the error.
Getting the PC group together shouldn't be a problem either way; no matter what your majors, you can easily be stuck in a class together. (Not that there can't be just as much amusement while the PCs aren't together; feel free to offer suggestions as to what classes your character would try to get enrolled in.)
I like the character ideas so far. Now that I'm off work, I'll get a PM out to one of the Goddesses about a game board soon.