Montana State in Bozeman.
Skiing is sick, classes are easy, teachers don't care if you come to class stoned off your ass. Food on campus could be way better, though there's a ton of good places around town. Plus if you feel like road trippin, you can hit up places like Alta or Lost Trail easy from here. People are chill and there's a shit ton of stuff to do in the off season. Public transportation is good, you can get a bus up to the ski hill if you're too hungover/drunk/stoned to make yourself.
Only problem is it can be expensive as fuck to live off campus, that is if you can even find a goddamn place to live.