PWHS may refer to: Parkway West High School (Ballwin, Missouri), Ballwin, Missouri Parkway West High School (Philadelphia, Pennsylvania), Philadelphia, Pennsylvania Plymouth-Whitemarsh High School, Plymouth Meeting, Pennsylvania Port Washington High School (disambiguation page) Port Washington High School (Wisconsin), Port Washington, Wisconsin Paul D. Schreiber High School, sometimes referred to as Port Washington High School, Port Washington, New York Portsmouth West High School, West Portsmouth, Ohio Proviso West High School, Hillside, Illinois