Colleges are fucking insane, it's just a lot of partying and a lot of drinking, and you get a lot of academic help, extra tutors on demand pretty much it's almost a very 'rich private school' kind of culture, also reinforced by the fact it's filled with prviate school kids (mostly cos they are the only ones that can afford college, it's damn expensive), a a general guide you'll find ormond filled with scotch guys and trinity filled with MGS guys. There is also a lot of friendly rivalry among the colleges.
Have several friends at college, it's a fantastic experience, you do tend to get stuck in a 'college bubble' though, not too bad a thing because there are a lot of people around.
Also currys (well really non-cacuacasions on the whole) are defs in the minority in colleges.