Become a Certified Martial Arts Teacher to Grow Your Own School. Teach any style that you hold a black belt in. 100% online course and exam. Make a great living doing what you love. Earn a professional teaching qualification. Instead of becoming an instructor after a weekend event, the CMAT course will help you take a deep-dive into understanding how to teach, working with different students, organizing your curriculum, and everything else you need to know to succeed.