Mercy High School may refer to:
Mercy High School (Burlingame, California) Mercy High School (Red Bluff, California) Mercy High School (San Francisco), California Mercy High School (Connecticut), Middletown, Connecticut Mercy High School (Baltimore, Maryland) Mercy High School (Farmington Hills, Michigan) Mercy High School (Omaha, Nebraska) Bishop McGann-Mercy Diocesan High School, formerly Mercy High School, Riverhead, New York Mercy Career & Technical High School, Philadelphia, Pennsylvania, a private, Roman Catholic high school
See also Mercy Academy, a girls Roman Catholic high school in Louisville, Kentucky Mother of Mercy High School (Cincinnati, Ohio) Our Lady of Mercy High School (disambiguation) Mercy College (disambiguation) Our Lady of Mercy College (disambiguation)