This document discusses effective classroom management strategies for 21st century classrooms. It outlines that teaching involves instruction, assessment, classroom management, and professional responsibility. Classroom management consists of addressing student challenges, teachers and students working together successfully, and teachers monitoring students confidently. The document then describes paradigm shifts in classroom management, including a shift from teacher-centered to learner-centered approaches, passive to active learning, isolation to collaboration, low to high expectations, and addressing student diversity. Finally, it recommends developing 21st century skills in students and provides examples of classroom management situations with suggestions for effective responses.