Minn. Stat. § 471.634: DEFINITION.

For purposes of section 471.633, the terms "municipal corporation" and "governmental subdivision," or instrumentality thereof, do not include school districts and other entities composed exclusively of school districts when school boards or school administrators are regulating school grounds, school facilities, school transportation services, school programs, or the conduct of students at any activities conducted under the direct or indirect supervision or control of the school board or administration.