In Portland, ME, the Chromebook revolution is about to start. The high schools have recognized how much more pragmatic Chromebooks are than the Mac competition, and these new computers will be taking over soon. For a guide on how to use the devices effectively, see this Voucherschool article. Poor implementation of Chromebooks can lead to lack of use, so it's important to get everyone on board. Yes, the machines will seem cheap compared to Macs. No, there is no Office to use. BUT, yes, they do what you need in a classroom.
For more information about how Portland can protect these new devices, see an article written by Educabana. Portland will have to decide the most economical way to make sure the new Chromebooks survive unintentional student abuse.