The Olentangy Local School District is a large school district centered in southern Delaware County, with a small, southern portion in Franklin County in the U.S. state of Ohio. The Olentangy Local School District comprises 95 square miles (250 km2) and serves students from all or parts of numerous municipalities, including the unincorporated community of Lewis Center and the cities of Columbus, Delaware, Powell, and Westerville. The district also serves students from Berkshire, Berlin, Concord, Genoa, Liberty, and Orange townships in Delaware County.