Brazilian Jiu Jitsu, MMA, Muay Thai and Self Defense at Gracie Barra Davenport, FL. Special programs for Homeschoolers and After School. We start with kids young as 3 years old. Gracie Barra is the largest martial arts school in the world with 1,200 locations worldwide, now in Polk County area. Our academy is dedicated to teaching the art and discipline of Jiu Jitsu in a welcoming and inclusive environment. Whether you're a beginner or an experienced practitioner, our skilled instructors, trained in the Gracie family's philosophies, will help you enhance your self-defense skills, physical fitness, and competitive edge. Join us in Davenport to transform your life through the power of Brazilian Jiu Jitsu, MMA and Muay Thai!