ClassDojo is a free online behavior management system that encourages positive behavior through a points system. Teachers can award digital points or remove them to shape student behavior. This builds a positive classroom culture and improves communication between school and home by involving parents. Students enjoy receiving positive feedback through points, which motivates them to develop skills. Research shows ClassDojo is effective because it is quick and easy for teachers to use, promotes positive attitudes, and helps students feel proud of their accomplishments.