http://en.wikipedia.org/wiki/Mens_colleges_in_the_United_Sta...
EDIT: I can't comment as to the criticism; I haven't heard any.
He appears to be from brazil, maybe there are some there.
One particular that I can remember is this: http://www.theatlantic.com/sexes/archive/2013/01/my-dream-co...
Just read the comments related to this subject, and you will see what I mean (lots of attack on them because the wish to remain male only)
Which school?