My friend Hector Russo warns me of an interesting page, reflecting the relevance that WordPress has acquired, in which NASA specifically NASA Glenn Research Center to use WordPress in the sites of the research center, using the template they have created for that purpose.
In this special site dedicated to WordPress in addition to posts with usage guides have a whole arsenal of WordPress promotion, such as the of created sites or a very well-crafted argument that I can not help but reproduce (abbreviated):
There are more details, relative to the plugins that have included. You will not deny me that it is a strong bet on WordPress, right?
If you know any more example of WordPress promotion by institutions put the link, it will be interesting to make a list for another post do you think?