Yes, there are certainly disadvantages to living in a dorm. But there are also pluses.
Advantage # 2,649 to living on campus at a prep school: walking next door with your laptop in hand to the IT office and wooing them with peanut butter cookies to fix your computer. Sure they sent out a school-wide "We don't really have time to fix your personal computers" as a result of my request, but they did a fine job if making the ol' (and I mean OLD) Think Pad purr again. I will post again when I am caught up on a weeks' worth of blog posts and other internetly delights on which I have missed out.