James Madison High School is a public high school in San Diego, California. It is part of the San Diego Unified School District. Madison's 50-acre (200,000 m2) campus opened in 1962. Serving almost 1,100 students in grades 9–12, it is located in the Clairemont Mesa East neighborhood, north of Balboa Ave, south of Clairemont Mesa Blvd, and west of Interstate 805.