Welcome! Welcome to the World Martial Arts School in O’Fallon, Illinois. Yong Moo Do, Tae Kwon Do, Ju Do, and Kum Do are 4 of the greatest martial arts in the world. We at WMAS are dedicated not only to self-defense, but also to teaching the state of mind that comes with traditional Korean martial arts. Students will learn loyalty, courtesy, respect, self-defense and much more! Classes are for everyone, from beginners with no background at all, to experienced fighters. All ages are welcome, with classes ranging from 4-6 year olds to adults in their 40’s and up. Train your body, mind, and spirit at World Martial Arts School, and learn what your potential really is!