Ohio Rev. Code § 3311.03
Each school district, other than a city school district, exempted village school district, joint vocational school district, or district then known as a county school district, in existence on September 16, 1943, shall be known as a "local school district" and shall continue to be known as a "local school district" until it has lost its identity as a separate school district or has acquired a different styling as provided by law. All school districts created after September 16, 1943 and prior to July 1, 1995, other than city school districts, exempted village school districts, districts then known as county school districts, or joint vocational school districts, shall be known as "local school districts." After July 1, 1995, no school districts other than city, joint vocational, local, and cooperative education districts may be created. In addition to school districts, educational service centers may be created after such date.
R.C. §3311.03