Gurdy Leete writes about the experiences experienced when switching to GNU/Linux at Maharishi University of Management in Fairfield, Iowa.
The piece is found at Newsforge
If you're contemplating a similar switch, I encourage you to move ahead. Think about which distribution best matches your needs, and select your applications carefully.
If you need to share the computers with classes that aren't using GNU/Linux, you can undoubtedly install GNU/Linux on your computers in a dual-boot configuration with Windows or Mac OS X. With Ubuntu on the Mac I found that to be easy.