Youtube for Schools is a filtered version of YouTube where the emphasis is on educational content. I've played about with it for a while in test environments and over the last year or so it has become ever easier to enable. We use ClearOS for gateway services and the latest release allows it to be enabled without any complex command line stuff. However, there are some serious caveats surrounding using it which I've spelt out in the video below: The YouTube for Education forum is worth a look and hints that something new may be coming. We shall see.