But then again, I am currently back at college and a year ago I would have said that it would be impossible
Look how much you have acheived already!
Sort out counselling and make yourself known to the disability team before you go. Perhaps your Psych could write a letter to them to explain everything?
The support is there is you ask for it. And its best to at least try it and really make an effort to stick it out (unless it really seriously affects your mental health) than stay at home and regret it.
You don't know you can or can't do it, unless you have a go.