Northern Karate Schools were established in 1972 by 9th Degree Black Belt and International Martial Arts Champion, Cezar Borkowski. Enjoy the benefits of an NKS' martial arts programs each week in Ajax. At Northern Karate, we believe a martial arts education is a vehicle for self-discovery and positive change. We also believe it can improve the world - one person at a time. Call today! more... See more text