Madison-Grant United School Corporation (MGUSC) is a school district headquartered in unincorporated Grant County, Indiana, near Fairmount. The district serves sections of Grant and Madison counties.
In Grant County it includes the following townships: Fairmount, Green, and Liberty. Municipalities include Fairmount and Fowlerton, and the district also covers Point Isabel census-designated place.
In Madison County it includes the following townships: Boone, Van Buren, and most of Duck Creek. The municipality of Summitville is within this school district.