First, I have to echo everyone else's advice:
try it, you might like it.
But I also wanted to post this:
I live nearly on OSU's campus. I'm not a student here, but an alumni of a nearby small university. I have noticed more than once that the loud keg parties are happening away from the greek housing.
The greek housing is always clean and presentable (well, there have been a few Saturday & Sunday mornings that are questionable, but it's always cleaned up by the end of the day).
I see banners hanging from the houses congratulating members on appointments to student government, for winning awards, etc.
From a true outsider's perspective (me), it's not the greeks that are doing the hard partying @ OSU. Just something to think about.