Not about computer programming summer camps, but the NYT has an article about the University of Washington being a place that attracts recruiters from Silicon Valley as well as Washigton-based Microsoft and Amazon. "Stanford is considered the Hogwarts of techdom", which (not having read Harry Potter) I assume is a good thing.

http://www.nytimes.com/2012/07/08/t...orthwest-pipeline-to-silicon-valley.html
A Northwest Pipeline to Silicon Valley