Below are some sample videos from Learn 360. Some titles are editable so students can create mashups and remixes. Teachers can create their own playlists and link to the class wiki.
See a Bully, Stop a Bully, PreK
Real Kids: What We Learned about Bullying, 3-5
Silent on the Sidelines: Why We Ignore Bullying, 6-8
End the Silence: Stop the Bullying, 9-12
7 Ways to Block a Cyberrully, 6-12
Real Life Teens: Cyber-Bullying, 9-12