Jacquline, I'm glad you got Em's schedule all finalized... that IS a pain. I know you didnt ask my advice but reading all of this is hitting a familiar note and if you dont want to hear forgive me and move on.
Hey if I didn't want (or expect) advice)I wouldn't post But, have you thought at all about "making" her be a little more independent? I know my dad went thru some of this w/me.... I wanted to go to college locally or an hour away and my parents REALLY encouraged me not...they felt I would always be home, or my way home for weekends, and not out having the usual college experiences (which they felt was kind of a right of passage..)They knew that if I wasnt pushed a bit I was WAY too comphy in the nest. My dad did admit it was hard for him too that he would have been glad, at so many levels, to have me at home forever....but he knew that as a strong parent it was part of his job to push me. I'm so glad he did.

(The sched. hit me because I asked for his help and he said "you go, spend some real time trying to figure something out, and if you cant, then come back and I'll help." I did come up w/ a pretty good plan and felt SOOO good for having done it on my own.... better than I expected.
I guess time to spill a few beans here then : Emily has the misfortune of dealing with severe generalized anxiety disorder, has been a problem since she was a small child. We help her set small goals for herself and make sure she follows thru to completion to the best of her ability. She needed an extra year at high school to get "ready" and we are all glad she took it. I have had to go back to the approach I used when she was a young child. I get her settled into bed and rub her back for about 5 minutes and then turn lights off, on my way out of the room I tell her I will be back in 30 minutes. It will some nights take 2 hours of this before she finally is comfortable enough to actually give in to sleep.
She WILL stay in residence but we picked a school that is only 30 minutes from home so she can come home on weekends if she needs to be here. We have gone to the docs to get notes to put her in the best place :Apartment style (so she can cook some of her own meals AND share bathroom with only 3 others) with a separate private bedroom to allow her to have privacy when she needs to de-stress. Lot to deal with for her all at once let me tell you. Every day I must talk about how things will go and what we will get her (ie new cell phone & lap top to stay in touch) I already bought her duvet so she knows what her bed will look & feel like. Gosh I am tired right now gang.
Em is VERY lucky to have such supportive and helpful parents, she will do GREAT no matter what!!!