Mount Saint Michael Academy is a member of the athletic association made up of high schools in what area?
Mount Saint Michael Academy:  It is a member of the Catholic High School Athletic Association (CHSAA). Catholic High School Athletic Association: The Catholic High School Athletic Association or CHSAA is a high school athletic association made up of Catholic high schools based in New York City, Long Island, and Westchester.
New York City, Long Island, and Westchester