The term McDojo (also spelled MacDojo) is a term usually used disparagingly to refer to a martial arts school that is a "black belt factory," i.e., it awards Black Belts to many students who do not possess sufficient expertise to qualify as a Black Belt. Characteristics typically attributed to a McDojo include: That having been said, it is certainly true that not all martial arts schools are necessarily high-quality schools. By definition, 50% will be in the lower-half in terms of quality. See Taekwondo Schools for some helpful tips for choosing a good, high-quality school.