My son's been a part of Black Tiger for two years and absolutely loves it. The instructors have…read morehigh expectations but are also patient and caring. I appreciate the emphasis on focus, discipline, and hard work. There is also great communication with families. My son has participated in two local tournaments and an inhouse tournament, and the instructors made sure he was prepared.

We are loving this place. The teachers are patient and kind, with great energy and really engage…read morethe kids. Safety is a priority and they take it seriously both general safety and Covid safety. The classes are when I'm at work and I love that I can watch on Facebook and see my kid having a great time. I'm so happy we found the studio and my daughter is really enjoying her experience. This is definitely a business run on respect and integrity.

I've been bringing my son to Kumgang Taekwondo for since we moved to Mountain House and he has…read morelearned not only discipline, but self control and gained in his self-confidence. He respects us more and is very helpful around the house. Not only do they teach the skills for taekwondo, but they also do some meditation and talk to the students about respect and discipline. We will continue for many more years at this wonderful school.

From the owner: As a school, we develop a student in respect, self-discipline and leadership. We practice…read moretraditional taekwondo from Korea, through Kukkiwan, World Taekwondo. Our practices focuses on forms, self-defense, and sparring. We are a part of the North California Taekwondo Association and participate in competition. We accept ages 5 and older after assessment.

Quick Review: Ji Sung Taekwondo is far more than a martial…read morearts studio - it is an extraordinary community led by passionate, highly skilled instructors who build confidence, discipline, respect, and leadership in every child. From transformative classes to unforgettable birthday parties, the staff consistently goes above and beyond to create a positive, empowering experience for both children and parents. Detailed Review: Our family has known this taekwondo studio since my brother and I were children. Some of my fondest memories growing up were attending TKD tournaments with my parents and cheering my brother on from the sidelines. Life has certainly evolved since then - my brother and I now have families of our own, and while we may no longer jump five feet in the air to break boards with a single kick (or perhaps we still can!), one thing has remained constant: the exceptional community at Ji Sung Taekwondo. Over the years, much has changed, yet the studio's core values have remained unwavering. Ji Sung Taekwondo continues to cultivate confidence, resilience, discipline, respect, teamwork, cultural appreciation, and outstanding martial arts skills - all while creating an environment where children genuinely enjoy learning. Not every instructor possesses the rare combination of being engaging, encouraging, patient, and deeply invested in their students. Just as classroom teachers vary, martial arts instructors do as well. At Ji Sung, however, you will find highly skilled, compassionate, and remarkably dedicated instructors who consistently go above and beyond for every child. After researching numerous TKD studios, I can confidently say this is the most impressive team I have encountered. As a parent, my goal is to raise confident, respectful, and capable future leaders, and Ji Sung reinforces those qualities beautifully. One of the most impressive things about the instructors at Ji Sung Taekwondo is how intentional and attentive they are with every child. They consistently call students by name to keep them engaged and focused, model positive behavior through clear examples, and offer meaningful praise and encouragement that builds both confidence and accountability in the children. Master Sahar is truly exceptional! She has an extraordinary ability to connect with children and capture their attention through positivity and encouragement. Rather than focusing on negative behavior, she reinforces good choices and models expectations in a way children immediately understand. The students genuinely want to succeed under her guidance, and it is remarkable how quickly they become more attentive, respectful, and confident in her classes. Miss Joy is equally outstanding - attentive, uplifting, and incredibly knowledgeable. She takes the time to ensure students learn proper technique correctly and thoughtfully refines movements with patience and precision. Master Kim leads with expertise, attentiveness, and high standards. He notices everything, maintains strong discipline, and motivates students to perform at their very best while still making them feel supported and encouraged. We deeply appreciate him and the incredible community he has built. We recently hosted a birthday party at Ji Sung Taekwondo, and it was one of the best decisions we could have made. Master Sahar, Miss Joy, and Esther exceeded every expectation and completely impressed both the children and parents in attendance. Within just an hour, the kids learned technique, discipline, and respect - and by the end of the party, each child successfully broke their own wooden board. It was such a meaningful confidence-building experience, and the children left feeling proud, empowered, and excited. When our children attended their first trial class, my four-year-old daughter was extremely shy and hesitant to leave my arms or step onto the mat independently. By the very next class, she confidently ran onto the mat on her own, and at home she now responds to my requests with, "Yes, ma'am!" every single time. It is absolutely adorable and makes me incredibly proud. That transformation is entirely thanks to the warmth, encouragement, and patience shown by Master Sahar and Miss Joy, along with Master Kim's supportive guidance for parents. Thank you to the entire Ji Sung team for the extraordinary energy, heart, and dedication you pour into every class. Your positivity, teamwork, perseverance, and kindness create an environment that truly shapes children for the better. This is far more than a taekwondo studio - it is a community that inspires children to become stronger, more confident, and more respectful versions of themselves.

The instructors spent much time with my son and he just graduated to an orange belt. So proud of…read morehim. Thank you to the the whole Ji Sung team

My son has been practicing Taekwondo at Pinnacle Taekwondo for a few months now, and he absolutely…read moreloves it! Before Pinnacle, he tried Jui Jitsu, and unfortunately, it was a very difficult experience for him. Since joining Pinnacle Taekwondo, the experience has been completely different and truly amazing. It has helped him so much, especially with his confidence and self-esteem. The instructors bring such a positive and motivating energy to every class. They genuinely teach, while always showing respect and adapting their approach to each student's age and skill level. I would especially like to thank Master Park for his professionalism and dedication, Mr. Vicente for his positive energy and professionalism, and the front desk team, especially Mr. Jorge, who is always keeping me updated about events, schedules, and important commitments. I also want to thank the entire team for the wonderful event this weekend! The picnic was such a fun and welcoming experience, with a beautiful environment, delicious food, and so much joy and positive energy. We are truly happy to be part of the Pinnacle Taekwondo family. I highly recommend Pinnacle Taekwondo! Thank you so much for everything, and 5 stars to this amazing team!

I walked in. Waiting to talk to instructor on having my son join. And the parents were starring at…read moreme asking me why I was here. I felt very much prejudice in the atmosphere. as a man of color. It didn't feel right. hurt me actually and he won't be getting any of my money

My son has been going here for 4 years now, he started when he was 6 yrs old. I am so glad we…read morefound this gym, Sir is a great instructor and the whole RMA team is a wonderful 2nd family to us and my son. My son gained self-confidence and great knowledge in martial arts. Sir, is very hands on and dedicated to his students. The warm, friendly environment makes it really fun for the students.

Amazing teachers, family owned and friendly and teaches kids great self defense. They offer many…read moretime slots and personal classes. The team is strong and competitive in tournaments. Great for all ages.

Great school for kids of all ages, parents of all ages too! :)read more

My younger brother had started here when he was young, about 6 years old. From day one, he showed a…read morelot of interest in martial arts and began to do better academically. He is now a black belt and has great experience in Olympic Sparring thanks to the Koryo family! He now not only shows his maturity amongst his sparring partners but to others outside of the facility. I would highly recommend anyone with any interest in martial arts to the Koryo family. They are nothing shy of there name, they will become your family! Thank you for all that you do!

My daughter loves going to Team Dragons after school. Master Lee is a great human, instructor and…read moreleader. He and his family and staff are kind, patient and very encouraging.

Master Lee is my son favorite instructor. We choose him after we tried 3 other places. My son want…read moreto sign up asap after FREE TRIAL.