Schools in Arimo, ID Marsh Valley School Bus Garage12655 S Old Highway 91Arimo, ID, 832142082543714Public High SchoolsSchool Bus Marsh Valley High School12655 S Old Highway 91Arimo, ID, 832142082543711Public High Schools Marsh Valley Middle School12805 S Old Highway 91Arimo, ID, 832142082543260Public High Schools Show MoreSee AlsoHigh SchoolsPublic Schools