Maryland Interscholastic Athletic Association
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.In addition, members are sorted in accordance to continual performance; categories include 'A', 'B', or 'C' Conferences.Teams of the Association (League) may move up or down according to their performance spanning over the course of a year or so to maintain the competition at appropriate levels.(along with non-MIAA member St. Maria Goretti) also form the Baltimore Catholic League in boys basketball.In 2010, MIAA commissioner Rick Diggs said that a proposed merger with the Washington Catholic Athletic Conference would not be merging for football.