Tri-M Music Honor Society, formerly known as Modern Music Masters, is a high school and middle school music honor society and is a program of the National Association for Music Education (NAfME). It is designed to recognize students for their academic and musical achievements and to provide leadership and service opportunities to young musicians. Each school has its own chapter, which is run by the students but supervised by an advisor or sponsor, usually a school teacher. There are approximately 6200 participating chapters in several countries.