We were a bunch of beer-swilling, prank-pulling, skirt-chasing yuksters. Guys in our chapters had parents who were loaded, parents who were dirt poor and parents who were dead.
We were hardly exclusive or snobby. Don't let your ignorance shape your judgement.
So, your criteria was "cool jock guys" and not status. In other words, you wouldn't have accepted an uncool, nerdy guy named Twinkie?