Minn. Stat. § 604A.015

A school bus driver who, while on duty, provides emergency care, advice, or assistance at the scene of an emergency or during transit to a location where professional medical care can be rendered, is not liable in ordinary negligence, for any civil damages as a result of acts or omissions to the person to whom assistance is rendered by the school bus driver in rendering the emergency care, advice, or assistance. For the purposes of this section, the scene of an emergency is an area outside the confines of a hospital or other institution that has hospital facilities, or an office of a person licensed to practice one or more of the healing arts under chapter 147, 148, 150A, or 153.