Marion High School
- Columbia, Mississippi
- East Marion High School
- Foxworth, Mississippi
- Guin, Alabama
- Jasper, Tennessee
- Litchville-Marion High School
- Marian High School (Bloomfield Hills, Michigan)
- Marion Center Area High School
- Marion Center, Pennsylvania
- Marion County High School (Alabama)
- Marion County High School (Kentucky)
- Marion County High School (Missouri)
- Marion County High School (Tennessee)
- Marion High School (Alabama)
- Marion High School (Arkansas)
- Marion High School (Illinois)
- Marion High School (Indiana)
- Marion High School (Iowa)
- Marion High School (Kansas)
- Marion High School (Louisiana)
- Marion High School (Marion, Michigan)
- Marion High School (South Australia)
- Marion High School (South Carolina)
- Marion High School (South Dakota)
- Marion High School (Texas)
- Marion High School (Wisconsin)
- Marion L. Steele High School
- Marion Local High School (Maria Stein, Ohio)
- Marion Military Institute
- Marion Senior High School (Virginia)
- Marion, Alabama
- Marion, North Dakota
- Marion, South Dakota
- Marion-Franklin High School
- North Marion High School (Aurora, Oregon)
- North Marion High School (Florida)
- North Marion High School (West Virginia)
- Philadelphia, Missouri
- West Marion High School