This article describes social life at Princeton and Duke:

http://www.nytimes.com/2011/08/28/fashion/after-class-skimpy-equality-motherlode.html
After Class, Skimpy Equality
By LISA BELKIN
New York Times
August 26, 2011

It's not a pretty picture. I mostly agree with the analysis at

http://www.nationalreview.com/phi-beta-cons/275978/human-nature-no-surprise-carol-iannone
Human Nature No Surprise
National Review
September 1, 2011
By Carol Iannone .

"To see what is in front of one's nose needs a constant struggle." - George Orwell