Kenja Martial Arts is a martial arts school in Old Hickory, Tennessee offering classes for children, teens, and adults. Its program blends traditional Wado Ryu karate with techniques from kickboxing, taekwondo, judo, and jiu-jitsu to provide a well-rounded foundation in martial arts, fitness, confidence, and self-defense. The school offers age-based instruction, including Cubs classes for ages 4 to 6, children’s beginner and advanced classes for ages 6 to 12, and teen/adult classes for all levels, with personal mentorship from its instructor.