And then, there are schools providing opportunities for their students and staff...and Probably the most advanced board of education, best in Canada would be in Kamloops, B.C. Far, far ahead of Toronto. One of the top public schools in the UK has saved thousands! In just one school! Here's another that discusses their savings...and on and on (UK examples)...and on and on (mainly USA examples, although a few others in Canada, as well as Australia, Thailand, etc.)
Here are software details about the largest known USA GNU/Linux migration and even more interesting details about the InACCESS project to reach a 1 student to 1 computer ratio, using GNU/Linux! :-) The second link, using a PDF/Slideshow type presentation of their study is also somewhat technical, but enlightening. Meanwhile, back in Toronto...sigh...