John Glenn High School can mean:

• Elwood-John H. Glenn High School, Huntington, New York
• John Glenn High School (California), Norwalk, California
• John Glenn High School (New Concord, Ohio)
• John Glenn High School (Bangor Township, Michigan)
• John Glenn High School (Westland, Michigan)
• John Glenn High School (Walkerton, Indiana)

See also

• John Glenn Middle School of International Studies, a middle school in Indio, California
• Glenn High School (disambiguation)
• John Glenn (disambiguation)