Can you recover the previous save? That's all I can think of to undo what you have happening here. When you enroll for your next term, all you have to do is choose the same dorm you're already in, and nothing has to change. There's no need to move for each new term, and you'll even keep your same bed you've already claimed. The only time you HAVE to move is when you've graduated. And if that's what's actually happened here, then have her pick a new place to live, anywhere it doesn't matter, and then go to a computer and enroll for a new degree. Then move her back into the same dorm as her new household member.