Our programs

Taekwondo is more than just an after-school sport or an optional activity. It is an essential foundation for life, helping children grow into upstanding and successful individuals. At ONE FOR ALL, your child’s safety is our absolute top priority. Through our structured curriculum, we don't just focus on physical fitness; we mentor students to become respectful, confident leaders with strong moral character.

Little Hero Class (age 4-5)

At ages 4 and 5, our "Little Heroes" class is specifically designed for this magical stage of growth. We help young children develop essential balance, coordination, and body awareness through fun, structured Taekwondo. Beyond the physical benefits, we teach foundational values like respect, listening skills, and courtesy to build lifelong confidence.

Advance class (age 6-12)

Advanced class takes Taekwondo to the next level by deepening students' understanding of martial arts movements. Students will master dynamic, high-flying kicking techniques and practical, real-world self-defense skills. Beyond physical training, we cultivate unstoppable perseverance, unbreakable self-confidence, traditional respect, and true courage.

Teen and Black Belt
(age 13 and Above)

Designed for teens and advanced martial artists, this class builds exceptional physical strength and endurance through daily personal challenges. Students master dynamic kicking techniques for self-defense and counter-attacks, while perfecting body control through traditional Poomsae(Form). Rooted in the true spirit of Taekwondo, we teach students to discern right from wrong, helping them grow into principled and confident leaders.

Olympic-Style Sparring Class

Take your martial arts skills into real-world action! Our Sparring class focuses on mastering Taekwondo’s dynamic footwork, striking kicks, and hand techniques, training students to apply them flawlessly in real-world scenarios. Safety is our absolute highest priority. Students train in an Olympic-style environment while wearing full protective gear under careful supervision. Beyond the physical competition, this class is a valuable opportunity to learn elite sportsmanship and deep respect for opponents. It’s a powerful, shared journey where training partners challenge and lift each other up to grow stronger together.

Meet Master Roy Founder & Head Master

A Proven Legacy of Excellence Master Roy is a 5th-Degree Black Belt certified by Kukkiwon (World Taekwondo Headquarters), bringing over two decades of dedicated martial arts experience to the mat. With more than 10 years as an elite competitor—earning numerous gold medals in high-level championships—and over a decade of professional coaching experience, Master Roy has successfully guided countless students to their own Kukkiwon-certified Black Belts. His deep technical expertise is matched only by his profound understanding of student development.

The Meaning Behind "ONE FOR ALL" The name of our dojang carries a deep, personal promise. In ONE FOR ALL TAEKWONDO, "ONE" represents Master Roy, and "ALL" represents every single student who walks through our doors. It signifies Master Roy’s total, unwavering devotion to pouring his passion, knowledge, and entire martial arts lineage into all of his students. He is one master dedicated entirely to the growth, safety, and success of everyone.

A Detail-Oriented Mentor for the Next Generation What truly sets Master Roy apart is his meticulous and attentive approach to teaching. He carefully observes each student's unique strengths, physical mechanics, and personality, tailoring his instruction to meet them where they are. He firmly believes that today’s children are not just students, but the vital leaders who will shape the future of our next generation.

Beyond the Mat: Martial Arts as Life Lessons To Master Roy, Taekwondo is not just a sport—it is a vehicle for essential life lessons. Through rigorous physical training, he instills a resilient mindset, sharp focus, and unwavering integrity. By balancing high-level technical training with character education, Master Roy is fully committed to nurturing next-generation leaders who are physically strong, mentally unstoppable, and grounded in a righteous spirit.

Transform your life

Experience the benefits of Taekwondo: increased confidence, improved physical fitness, and a strong sense of community.

"We absolutely love Master Roy! He is incredibly passionate, patient, and truly gifted when it comes to working with kids. You can tell he genuinely cares about each student, not just in helping them grow in martial arts, but also in character and confidence. The classes are engaging, well-structured, and fun and my son looks forward to every session. Highly recommend to any family that is looking for taekwondo program!!"

Eunbyul Y.

"One for all Taekwondo training center is absolutely the best in town. Master Roy is an honest skilled professional who understands the meaning of teaching this unique martial arts. My nephew went to this place and starting to grasp the meaning of discipline and respect towards to elders. The martial arts is not just for the self defense but to learn the honor and respect towards others along with building the confidence. I highly recommend this place for people who are looking for these qualities. I am absolutely satisfied with master Roy for teaching my nephew the priceless values. Thank you Master Roy!!"

John K.

"Master Roy is a great master!! Has integrity and works really well w the kids! He tries his best to accommodate and help you. Master Roy switches activities up to help target different areas of focus for the kids. Can't wait for him to start sparring!! Classes are overall great and our son has made great progress in the small amount of time he's been attending. Highly Recommend!!"

Lilan F.

[New Student Enrollment] Special Intro Promotion!

4-Week Trial Program: Only $19.99

FREE Uniform: Every new student starting the trial will receive a premium martial arts uniform.

Click here to book a 4-week trial program

Contact us

Our location

ONE FOR ALL TAEKWONDO
1216 E Yorba Linda Blvd, Placentia CA 92870
Email: OFATKD@gmail.com
Phone: 714-438-9444