oh my god.
i saw this when i was v. young and only just rewatched it. it might actually be my favourite teen film of the 80s. full of stereotypes taken to absurd extremes, genuinely funny, great soundtrack, full of nerdisms, and this, the greatest song of all time:

http://www.youtube.com/watch?v=SkzAJs7NutM

bonus factorama - the guy with the spiky hair and violin is Timothy Busfield, a popular tv actor who played Danny Concannon in The West Wing and now plays the controller in Studio 60 on the Sunset Strip.