This is a clip from Season 1 of Friday Night Lights that highlights the issues and reality of cyberbullying. I think this could be particularly useful for a high school class because it comes from a popular show that they are probably familiar with. This was a resource on the Common Sense website.
Pocket is a website/app that allows teachers and students to save and compile articles, videos, and other viral content that may be relevant to classes/lessons. There is also a text-to-speech option for articles.
https://www.commonsense.org/education/videos/friday-night-lights-video-clips