[naraht]

If you look at the descriptions of the groups found elsewhere with the join photos and the map of the campus, you'll see that Oozma Kappa which our main characters join is the only one without a house, lacks the number to participate in the scaring competition and has the nerdiest/geekiest/whatever characters (only one of the six has letters on and those letters are knit).

I am *quite* sure that like Revenge of the Nerds the primary plot of the movie will involve an underdog fraternity managing to make its way to winning the competition.