The answer depends on where in the world - so as to meet local legal requirements - and how many pupils the school will enrol.
Escondido High School is the best public high school throught California.
Troy Public High School was created in 1954.
Inagakuen Public High School was created in 1984.
Everest Public High School was created in 2009.
The first public high school was founded in Boston in 1821.
yes it is a public school
The first public high school was in Dedham,Massachussetts.
F.G. Public High School Mardan was created in 1964.
Roxbury Charter High Public School was created in 2003.
Punjab International Public High School was created in 1994.
Chicago Public High School League was created in 1913.
Shama Public High School Abbottabad was created in 1989.