SchoolTube is a free K-12 video community based in St. Louis, Missouri.
As of 2013, there are registered SchoolTube users in over 50,000 K–12 (kindergarten through 12th grade) schools in the US who are uploading, on average, 1,000 videos a day.
Most schools have blocked commercial video platforms from the classroom due to inappropriate content.
SchoolTube has been granted this access due to a moderation process to ensures user-generated content is appropriate for the K–12 environment.
[1] SchoolTube's uses a moderation process which it claims makes it safe for usage within K-12 classrooms.