With the enforcement of the Act on Support for Children with Medical Care and Their Families in September 2021, establishment of an appropriate support environment and medical care implementation system for children with medical care in each school is even more required. Therefore, based on the author’s case study of a class with a child requiring ventilator management, the purpose of this research is to clarify the ideal system for implementing medical care in special needs schools, based on the cooperation between teachers, nurses, and parents to solve the problem of parental accompaniment to their children. This report summarizes the process of the gradual transition of parental accompaniment by organizing the specific cooperation and efforts among teachers, nurses, and parents. As a result, to improve the system of medical care implementation in special needs schools, based on the perspective of supporting the school life of children with medical care, it is necessary to share the actual situation from the perspectives of education and nursing, and consider and implement appropriate support. For that, it is important to strengthen the cooperation between teachers and nurses.