KNOCKOUT Martial Arts & Fitness is a Taekwondo school in Rancho Cucamonga, California, serving students ages 2 and up since 2005. The school focuses on Olympic and traditional Taekwondo and offers classes in traditional Taekwondo, Olympic Taekwondo, kiddie kickers, fitness, weapons, and trick kicking. Its programs are designed to help students pursue goals such as black belt achievement, self-defense, confidence, discipline, respect, focus, and fitness.