ClassDojo is an in-class communication application. The ClassDojo allows teachers to record and score the students’ behaviors by tagging them. It also allows teachers, parents, and students to have access to this information. In this study, it was tried to show the effects of the communication and interaction between students-teachers-parents by using the ClassDojo application in educational environments. Students, teachers, and parents participating in the study used the ClassDojo application for 1 semester. In the study, ClassDojo Opinion Questionnaire for Students, ClassDojo Opinion Questionnaire for Teachers, ClassDojo Opinion Questionnaire for Parents, and Semi-structured ClassDojo Interview Form for Students prepared by the researchers were used at data collection stage. At the end of the study, the teachers stated that the ClassDojo application was effective in getting the students positive behaviors. In addition, it was observed that the ClassDojo increased the frequency of families’ care about the courses of the students.