From the title you would think it was all Google and chromebooks but the schools seems to use a mix of Google Apps, O365 and other products. This makes an enjoyable change from blogs from the PoV of one company supporter or another. The idea of using a mix is very appealing. The school has single sign on for both services, which I believe is possible using RM unify now.
Also from From a Glow perspective there are a lot of interesting posts about O365. Here is an example aside.
(I just wish someone at Microsoft could forget to invite the Sharepoint team to the next planning day so that they can come up with a Classroom competitor that works cleanly and simply like Sway).
ChromeStead: Sway: presentations reimagined, and some general thoughts on O365