The Matanuska-Susitna Borough School District (MSBSD) is located approximately 35 miles north of Anchorage, in what is popularly known as the Mat-Su Valley. The Borough spans over 25,000 square miles - larger than West Virginia, and nearly the size of the Republic of Ireland - covering an area greater than any county in the continental United States. Home to over 115,000 residents, including the cities of Palmer, Wasilla, and Houston, MSBSD serves the fastest-growing region in the State of Alaska.