Mass shootings in schools raise important questions about how best to keep individuals safe and increase survivability in such situations. One of the most common techniques used is lockdown drills, which train individuals to build time and space between them and the threat. Despite their use in 95% of public K-12 schools nationwide, their efficacy…

This study assessed the prevalence of weapon-related behaviors and experiences in secondary schools in California, their intercorrelations, and predictors at the individual and school levels. This study is based on a representative sample of 889,726 secondary school students in California based on the California Healthy Kids Survey. Prevalence…