Sorry to meet you under these conditions, but welcome to the forum! I was just diagnosed last January and I'm 30, so I didn't have UC in college. But in college I did live with 3 girls for a couple years and then by myself for senior year (I was student teaching and couldn't handle roommates). Anyways, from what I remember of living with other people, it seemed like there were hardly times when all of us were home. Everyone's schedule is so different, and you will be doing a lot of stuff outside your place, too. So I don't think you should worry about what your roommates think. Just explain your condition as best you can and ask for their understanding.
As far as living alone goes - its SO boring. It was the best thing for me academically-speaking, but man was I bored and lonely. Don't miss out on having a great time with your roomies if you don't absolutely have to.
I hope this helps you. Good luck at school!
PS. I've heard other people say that they can have alcohol with UC, but it was one of the first things I identified as a major trigger food for me. So just go slow and be careful.
Katie, 30. Chicago 'burbs.
DX: Ulcerative Proctitis (10cm) January '08
Current Treament: Rowasa 60 ML 2X daily, Cortenama 100 ML 1X daily, Bentyl 20 MG (as needed).
Diet/Exercise: Trying sunflower seed thing. Daily yoga, walking, or cardio w/weights.
Previous Treatment: Canasa suppositories, Cortifoam, Prednisone, Colazal, Symex DuoTabs, Vitamins.
Status: Showing improvement after a few days with sunflower seeds.