Arimo--secondary, Marsh Valley Middle School 12805 S Old Hwy 91 Mccammon, ID 83250 Phone : (208) 254-3260 Business Category Schools Administration Of Educational Programs Government Offices & Public Schools Marsh Valley Middle School 12805 S Old Highway 91 Arimo, ID 83214 Phone : (208) 254-3260 Business Category Schools Schools-Junior High Schools-Public