This is huge for them. I think it puts them a step ahead of CodeAcademy and Treehouse (are they actually competitors?) A relationship with GitHub is pretty clutch.
Not sure about Treehouse, but they're targeting a completely different market than Codecadamy - codecademy is really targeting newcomers to coding, while Code School is more for programming professionals to polish up on new (to them) technology / frameworks, etc.
As an aside, subscribing to Code School is well worth the $25 a month - a great value!
This looks great, but it doesn't seem to be working. For instance, I type git init in the first lesson and hit enter, but nothing happens. Same thing goes for git status in the second lesson.
Yes, it's a nice tutorial but I've already been using git for a couple of years. It's just that my work won't let me install it because I'm not officially IT.
Start looking for another job. Fast. Seriously, though, that's a pretty unfair policy to apply to developers. Every developer I know has widely different tool preferences, and I can't imagine working in an environment where I can't install random free utilities that make my job easier. A strict policy may make more sense for less computer-literate users, but man, every IT department should acknowledge that developers can handle installing software on their own machine.