GHHS may refer to: Guy's Hill High School in Saint Catherine, Jamaica Garfield Heights High School in Garfield Heights, Ohio Gig Harbor High School in Gig Harbor, Washington Granite Hills High School (Apple Valley, California) Granite Hills High School (El Cajon, California) Granite Hills High School (Porterville, California) Green Hope High School in Cary, North Carolina Granada Hills High School, the former name of Granada Hills Charter High School Gold Humanism Honor Society, medical honor society