Illinois Shotokan Karate is the top Karate and Martial Arts program at Clarendon Hills Park District. Illinois Shotokan Karate classes are held at the Clarendon Hills Park District. ISKC offers early childhood karate, youth karate, adult karate and parent/child karate classes. Illinois Shotokan Karate's Clarendon Hills Karate School teaches martial arts classes that help develop coordination, muscle tone, self-defense and fitness. Illinois Shotokan's Clarendon Hills Karate and Martial Arts Classes are a great fit for ages 4+.