http://en.wikipedia.org/wiki/GnuLinEx http://gobex.es/salaprensa/view/press/press/detalle.php?id=8...
(I think other Spanish regions have talked about wanting to use more open source software, but that might be LibreOffice rather than MS Office, rather than a full switch away from Windows.)
Here's another: Lausanne, in Switzerland (pilot):
http://www.24heures.ch/vaud-regions/lausanne-region/Lausanne...
The JoinUp website has lots of examples of open software use in public administration settings. Try digging around in the news archive:
(taken in a school in pyongsong, autumn last year)
http://www.koreaittimes.com/story/8242/north-korea-needs-set...
http://content.time.com/time/world/article/0,8599,1906219,00...
http://cacm.acm.org/magazines/2012/8/153816-inside-the-hermi... (A¢M paywalled)
Now I'm wondering what those dates on the bottom refer to.
I don't remember all details now, but the Air Force I am sure their official policy is that all their desktop machines run Ubuntu and all their server machines run Debian.
The Army and Navy don't have a broad policy like this, but also has lots of FOSS-related use and work.
Also Brazil government has several state companies that develop FOSS software, but several places still unfortunately rely too much on Microsoft (usually in the judiciary and executive branches)
Even urban city engineering schools use pen , paper and drawing abilities of a left brained person for grading.