I never completed my second level education because of family issues, but seven years, later, I've gone back as a mature student. I have my own house so I don't worry about house mates. Only thing I have to worry about is finding the money for travelling on buses, paying rent, bills and feeding my cat. A lot of the people in my year are fucking morons though.
I've been lucky enough to avoid most of the BS. Most of my teachers have been pretty personable and encourage real thinking and discussion rather than just sit-here-and-listen-to-be-talk-for-hours-type classes. The worst of my university experience was living in my rez house first year, and even that was too bad. Just, some of the girls were just too bitchy and catty and constantly partying and getting drunk and bringing random guys home... and if the housemates had parties, I suffered, because my room was right by the front door (drunk people banging away at the door for entrance!), AND right above the common room (music and drunk people at 2am!). But really, it wasn't horrible, and I'm living in an awesome apartment now, so.