The aim of this study is to provide opinions on the evaluation of parents' attitudes and behaviors in developing cooperation in ethical education. Although the research is a qualitative study, the study group consists of 10 participants, 5 principals and 5 teachers. A semi-structured interview form was prepared and interview technique was used to collect data. The data were analyzed using the content analysis technique. According to the results of the research, to increase children's awareness of ethical principles and moral virtues, to support each other between family and school so that children can become good people, to transform the understanding of school-family cooperation to contribute to moral education, to the moral maturation of children in order to cooperate with the child and school, effective and new ways should be developed and various and different measures should be taken to carry out these actions. To be positive, desirable and morally mature for children, the school and family must be able to collaborate with the child and find effective and new ways to do this. In the field of moral education, it is essential to provide the measures that families and all collaborators should take, by revealing the need and understanding of cooperation. It is necessary to provide follow-up and support that can ensure very carefully school-family-child cooperation for maximum implementation.