This guide includes straightforward, feasible, and evidence-based strategies designed to prevent behavior problems in K-5 classrooms. With an exclusive classroom focus, this guide encourages teachers to be proactive in classroom management. Its emphasis on preventing behavior problems before they occur enables teachers to run their classrooms more efficiently and experience less frustration, while also increasing students learning. Chapters are devoted to organization and structure, effective instruction, prevention and intervention techniques, responding to student misbehavior and relationship building. Using real-life classroom scenarios, this guide equips teachers with management techniques that break the common cycle of frustration, aggression, rejection, and hostility, so they can create positive classroom environments.