Limited research has been conducted on the state-level factors that may be associated with intentional school shootings. We obtained school shooting data from the "Washington Post" that identified any act of intentional interpersonal gunfire in a K-12 school over the course of two decades. We also compiled new data on active school…

Background: Being bullied online is associated with being bullied in school. However, links between online bullying and violence-related experiences are minimally understood. We evaluated potential disparities in these associations to illuminate opportunities to reduce school-based violence. Methods: We used five cohorts of Youth Risk Behavior…