In the last decade, more than 300 violent deaths have occurred in or near school campuses. The killers, their motivations and backgrounds, and levels of damage inflicted vary, but our response and our goal remains singular protect our schools and keep those within them safe. This handbook seeks to help administrators, school boards, contractors, teachersanyone connected with the design, construction, or administration of schoolsachieve this goal by providing easy-to-follow guidelines for building safer school environments.