It sounds like there is just a problem with keeping everything neat and tidy at the end of the day and not just getting to classes. I don't know what your financial situation is but have you considered something like this?
http://www.sauder.com/Sauder/Craft-F...re/158097.aspx
There is quite a bit of storage and two doors to hide everything behind. There are places where you can get something similar for less money. Just be sure and check out how far the doors swing open. I have a computer desk and the doors opened to 45 degrees and not clear back out of the way.