John I. Leonard High School was created in 1965.
John Bartram High School was created in 1939.
John A. Rowland High School was created in 1964.
John McDonogh High School was created in 1902.
John I. Burton High School was created in 1953.
John Dewey High School was created in 1969.
John Handley High School was created in 1923.
John Hardin High School was created in 2001.
Saint John High School was created in 1805.
John Horn High School was created in 2000.
John Bowne High School was created in 1964.
John Dickinson High School was created in 1959.