Kos Black Belt Belt Academy has been established in the Kansas Area for over 40 years. Grandmaster Ko Brought Tae Kwon Do from South Korea in 1976 and has taught his three sons the authentic tradition of martial arts. Their true passion for the martial arts and helping people show every day, in every class. Grandmaster Oh has opened Kos Black Belt Academy in Gardner 2006 and Olathe 2013. We place our students positive experience and personal growth at the center of our teaching approach. Our instructors are the most positive and motivating instructors, focused on giving your family the best martial arts experience available.