Charter Oak High School was created in 1894.
Charter Oak Unified School District was created in 1894.
Great Oak High School was created in 2004.
Oak Forest High School was created in 1971.
Oak Harbor High School was created in 1906.
Oak Hills High School was created in 1958.
Oak Glen High School was created in 1963.
Oak Mountain High School was created in 1999.
West-Oak High School was created in 1983.
Oak Creek High School was created in 1961.
Klein Oak High School was created in 1982.
Charter Oak Bridge was created in 1991.
Charter Oak Firehouse was created in 1876.