School shootings and violence are frightening facts of life for teens. Although each incident is different, there are warning signs teens can learn to look for to alert them to potentially life-threatening actions by other students. It's important to understand what signs signal possible danger and who to talk to if you have reason to believe someone poses a threat to your school. Make the choice to be informed and stay safe.

Originally released by Cambridge Educational, 2020. Streaming video file encoded with permission for digital streaming by Infobase on April 30, 2020.