Mont. Code Ann. § 20-1-204

Upon request of the county superintendent or the trustees of any school district or community college district, the county attorney shall be their legal adviser and shall prosecute and defend all suits to which such persons, in their capacity as public officials, may be a party; however, the trustees of any school district or community college district may, in their discretion, employ any other attorney licensed in Montana to perform any legal services in connection with school or community college board business.