You can check it out here: https://education.github.com/discount_requests/new
Bitbucket gives you a free unlimited account if you sign up with a .edu email address.
[Edit: You actually get five free repos. Still limited and not at all the deal you get with Bitbucket.]
Google Classroom is a much more powerful alternative to that.
To be a bit more solution-oriented, most students and teachers don't care about the majority of what BB offers. They want:
* Upload and administer documents
* Assign grades to assignments
* Access Control to the above
* Speed across all browsers for the above
If Github can get these right, I don't see why they couldn't have a strong offering.
It has caused some heated discussions at our university regarding student privacy.
I see a lot of positives in that system, but it feels like a way for companies to more easily ignore candidates who aren't from top schools. My concern would be further ostracizing qualified students who don't go to top schools.
I cruise without Java and Flash so it must have been some sort of hacked together proprietary upload button which triggered a regular file dialog anyway (JavaScript was enabled, I think). And that's just the tip of the iceberg. If there's any space to disrupt it's e-learning, but that's probably more of a deal-cutting job with major institutions than having an objectively better (looking) product.
Blackboard is truly terrible