Charles Gracie Brazilian Jiu-Jitsu Academy - San Mateo, located in San Mateo, California, has received a mix of feedback from its community. Many reviewers praise the quality of instruction and the supportive environment, highlighting the dedication of the coaches and the positive impact on students. However, there is a notable concern regarding a specific incident that raised questions about coaching methods. Overall, the academy is recommended for its welcoming atmosphere and effective teaching, but potential clients may want to reach out directly for more information.