At the 60th anniversary celebration of Shibahara Elementary School, members of the school community cheering group also participated, and about 40 people performed chorus and live performances with PTA, PTAOB and youth committee members. The video is like that.
The School Community Support Team is a system in which schools, homes and communities work together to support school education activities at the request of each school. Various approaches are being taken depending on the region. See the link for details.