best skiing in europe: Austria, Switzerland, France. so, basically anywhere around the alps. aside from amazing bc skiing with huge areas to explore, plenty of the ski resorts now work on building better parks, especially in the spring/summer on the glaciers.
for example, if you would study in say, Innsbruck Austria, you would have Ötztal, Kaunertal and Zillertal within 1 hour drives. thats three different valleys, all of which has sick bc and park.
and if your willing to travel for a couple of hours youll have so many resorts everywhere you wouldnt be able to ski them all in one season. the train system is very well developed in the alps, and can take you almost anywhere within 6-7 hours.
scandinavia (sweden, norway) has some great terrain, in some places better than the alps at least on the park side (Åre, Hemsedal, Oppdal etc), but thats all on the west side and you would have to study in Östersund, or Trondheim. (Im not sure if they even have universities).
Hope that will be helpful. Also, if you study in the alps, and you feel like going partying with hot girls for a weekend, just get a cheap ticket up to stockholm (200 bucks), and go crazy. That way youll get the best of two worlds.
N