It seems that every day there’s a new story about a security lapse, emergency lockdown, or violent act taking place at a school somewhere in the United States. Today it’s simply inexcusable not to have adequate security measures in place—regardless of how safe you think your community may be. In School Security: How to Build and Strengthen a School Safety Program, Second Edition, Paul Timm, board-certified Physical Security Professional, nationally acclaimed expert in school security, and recipient of Security magazine's 2020 Most Influential People in Security, explains how to make your institution a safer place to learn with easy-to-follow steps.