Schools in Plains, MT Plains Elementary School412 Rittenour StPlains, MT, 598594068268600PreschoolPreschools KindergartenPublic SchoolsSanders County Superintendent Of SchoolsPlains Public School412 Rittenour StPlains, MT, 598594068263085Public SchoolsSanders County Superintendent Of SchoolsShow MoreSee AlsoPublic SchoolsPreschools & Kindergarten