Athletic conference

MAC Freedom Conference Macomb Area Conference Maryland Interscholastic Athletic Association Metro Catholic Conference Metro Conference Metro Suburban Conference Metropolitan Interscholastic Conference Metropolitan New York Conference Michigan Collegiate Conference Michigan Intercollegiate Athletic Association Mid-America Intercollegiate Athletics Association Mid-Atlantic Athletic Conference Mid-Hudson Athletic League Mid-South Conference Middle Atlantic Conferences Midlands Collegiate Athletic Conference Midwest Collegiate Conference Midwest Conference Midwest Intercollegiate Football Conference Midwestern Intercollegiate Volleyball Association Milwaukee City Conference Minnesota College Athletic Conference Mission Valley Athletic League Mississippi 8 Conference Mississippi Valley Conference Mississippi Valley Conference Missouri River Conference Mountain East Conference Mountain Valley Conference National Collegiate Hockey Conference Commonwealth Coast Football New England Preparatory School Athletic Council New England Women's and Men's Athletic Conference New Jersey Interscholastic Athletic Association New Orleans Catholic League North Atlantic Conference North Central Conference North Central Conference North Central Conference North Coast Athletic Conference North Egypt Conference North Shore Conference North Star Conference Northeast Hoosier Conference Northeast Ohio Conference Northern 10 Athletic Conference Northern California Athletic Conference Northern Illinois Big 12 Conference Northern Indiana Athletic Conference Northern Nevada 4A Region