JM Modern Jiu Jitsu, located in Baton Rouge, California, has garnered a mix of reviews from its attendees. Many praise the welcoming atmosphere, high-quality instruction, and clean facilities, highlighting the supportive community and diverse training environment. However, some reviews express concerns about the gym's policies and personal interactions with instructors. Overall, potential students are encouraged to visit and experience the gym for themselves. For more information, please contact the school directly.