
World Class Martial Arts
Londonderry, NH
Mindset Meets Mastery — Where Strength and Skill Come Together
Dare to Be Different
Where confidence, courage, and authenticity take the mat.

Welcome to World Class Martial Arts
At World Class Martial Arts in Londonderry, NH, we combine the power of the mind with the discipline of the mat to help students of all ages grow stronger—inside and out.
Our training blends mental focus with physical skill, creating well-rounded martial artists who move with strength, think with clarity, and act with confidence. Whether your goal is to build fitness, learn practical self-defense, or find a more supportive training community, your journey here begins with understanding, encouragement, and purpose.
Why We’re Different
The Mindset Meets Mastery Difference
At World Class Martial Arts, training goes beyond technique—but never forgets it. We teach powerful martial arts skills built on balance, coordination, striking, and control, while also developing focus, confidence, and resilience.
We’re not a big, crowded studio. We’re a community that values authenticity over ego, connection over competition, and courage over perfection. Every class is designed to challenge the body, sharpen the mind, and strengthen the spirit.
Erin O’Neil – Founder & Head Instructor
Founder, World Class Martial Arts | 38 Years of Training | 20 Years in Londonderry
With 38 years of martial arts experience and 20 years serving the Londonderry community, Erin O’Neil built World Class Martial Arts to be the kind of studio she always wished existed—one that focuses on growth over ego.
As a Certified Neuroscience and Positive Mindset Coach, Erin teaches that martial arts is about far more than techniques—it’s about mastering yourself through discipline, movement, and mindset.
“I believe martial arts is the ultimate tool for self-discovery. My goal isn’t to make students conform; it’s to empower them to Dare to Be Different and realize their own unique potential through focus, discipline, and positive reinforcement.”
Testimonials / Community
Real Students. Real Confidence.
⭐ “My child went from shy and uncertain to confident and focused. The relaxed atmosphere made all the difference.”
⭐ “I love that this studio is about self-improvement, and I can work at my own pace. It’s a welcoming environment for everyone.”
⭐ “I’ve learned that self-defense isn’t just about strength or fighting—it’s about staying calm, thinking clearly, and using simple, effective techniques. I feel much more confident walking alone or dealing with unexpected situations.”
Ready to See the Difference?
Experience martial arts in a whole new way. Whether you’re enrolling your child or starting your own journey, our Free Private Trial Lesson is the perfect way to experience our calm, supportive environment firsthand.
No pressure. No big crowds. Just authentic growth, one step at a time.
Discover World Class Martial Arts in Londonderry, NH—where confidence, courage, and authenticity meet the discipline of the mat. Free private trial lessons for kids, teens, and adults