Maryland Interscholastic Athletic Association

The Maryland Interscholastic Athletic Association (M.I.A.A.) is a boys' sports conference for private high schools generally located in the Baltimore metropolitan area but extending to various other regions, including the state's mostly rural Eastern Shore. The M.I.A.A. has 27 member schools and offers competition in 17 sports.

Source: Wikipedia — Maryland Interscholastic Athletic Association (CC BY-SA 4.0)