Tri-County School District was a school district in Arkansas. It served all or parts of: Baxter, Izard, Searcy, and Stone counties. It included the communities of Big Flat and Fifty Six. It was formed on July 1, 1985, by the merger of and the . On July 1, 1993, it was disestablished with territory given to the following districts: Calico Rock, Marshall, Mountain View, Norfork, and Stone County.