If an investigation conducted by the children’s division under section 210.145 reveals that the only basis for action involves a question of an alleged violation of section 167.031, then the local office of the division shall send the report to the school district in which the child resides. The school district shall immediately refer all private, parochial, parish or home school matters to the prosecuting attorney of the county wherein the child legally resides. The school district may refer public school violations of section 167.031 to the prosecuting attorney.