www.nytimes.com/…y-off-schools-banned-list.html
Schools across the country commonly block access to YouTube, shielding students from the irresistible distractions of, say, the cat in a T-shirt playing a piano, or worse. So in December, Google started YouTube for Schools, offering schools the ability to pluck only the videos they want, scrubbed of all comments and linked only to other related educational videos.