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About Karate America
At Karate America, we believe that every child has the potential to become emotionally powerful, technically fearless, and physically strong. For over five decades, we’ve helped families across our community build confident kids and courageous leaders through expert martial arts training.
Our programs are designed with parents in mind—focusing not just on kicks and punches, but on life skills that matter most: confidence, focus, respect, and discipline. We provide a structured, supportive environment where students thrive, both in the academy and in everyday life.
Whether your child struggles with confidence, needs help managing energy, or simply loves to move, we offer age-specific classes that meet them where they are and help them grow. Our team specializes in working with students of all backgrounds, including those with ADD, ADHD, and behavior challenges.
At the heart of our training is real-world self-defense. Your child will learn how to protect themselves physically, mentally, and emotionally—using techniques inspired by law enforcement and military training but adapted for kids and families. We teach students how to recognize danger, respond with clarity, and stay safe in today’s ever-changing world.
Parents choose Karate America not just for martial arts—but for a community that supports family values, personal growth, and long-term success.
Grand Master William Clark is an 9th Degree Black Belt and the CEO of Warrior X Fit (wxFit), Karate America, Warrior Krav Maga and Warrior Martial Arts, all are Headquartered in Jacksonville FL. He has 25 schools and mentors several school owners from around the world on improving their daily business. Additionally he is a Founding member of the American Taekwondo Association (ATA) and remains active in the leadership of that organization.
From Grand Master Clark
As a parent, you want your child to grow up confident, capable, and prepared to face life’s challenges—and that’s exactly what we’re here to help with.
Since 1971, I’ve been teaching children, families, and adults how to defend themselves while building the focus, respect, and inner strength that lead to lifelong success. At Karate America, we don’t just teach martial arts—we help students set goals, stay disciplined, and grow into the best version of themselves.
We promise to train every student to live up to our motto: Stand Up. Stand Out. Stand Proud. It’s more than a saying—it’s a way of life.
From their very first class to black belt and beyond, we’re committed to guiding your child on a journey of confidence, leadership, and achievement. Together, we’re making America strong—one black belt family at a time.
Thank you for choosing to be part of the Karate America family.
— Grand Master Clark
Owner & Founder, Karate America
Why Choose Karate America?
For our kid students:
Most parents don’t realize many kids’ activities—while fun—can actually undermine confidence, are led by inexperienced part-time coaches, and lack any real-life value beyond physical movement.
Karate America is different.
For over five decades, we’ve helped families across Jacksonville raise confident kids and courageous leaders through expert martial arts training that goes far beyond kicks and punches.
We offer:
- Full-time professional instructors at every location
- Classes 6 days a week in age-specific programs
- A life skills curriculum focused on respect, focus, confidence, and discipline
And we don’t stop there.
Whether your child struggles with shyness, hyperactivity, or behavior challenges—or just loves to move—our programs are designed to meet them where they are and help them grow.
Our instructors are trained to work with kids of all learning styles, including those with ADD, ADHD, and sensory sensitivities, in a structured and supportive environment.
Most importantly, your child will learn how to defend themselves—physically, mentally, and emotionally.
We teach real-world safety skills, adapted from law enforcement and military principles, so your child is prepared to recognize danger, stay calm under pressure, and make smart decisions.
For our adult students:
Let’s be honest—most gym memberships gather dust.
At Karate America, our adult programs don’t just get you moving—they keep you engaged, motivated, and progressing.
Whether your goal is to:
- Lose weight and get in shape
- Learn practical self-defense
- Train like a fighter (without getting hit)
- Or all of the above…
Our team has you covered.
Our instructor certification process is far more demanding than what most personal trainers go through—and it shows.
We take your goals seriously and work with you individually so you actually get results.
Choose from Adult Karate, Krav Maga, or Fitness Kickboxing—each one designed to push you, protect you, and help you perform at your best.
Our Martial Arts Team Takes Great Pride In The Reviews We Receive
It’s Easy – and FREE – To Get Started!
Let’s be real—you’ve probably never thought seriously about martial arts for yourself or your child before now. Maybe you’ve watched Bruce Lee fly-kick a ladder or Jackie Chan karate-chop a bad guy with a frying pan… but actually doing it? That’s a leap.
That’s why we make starting simple:
Get free information on our programs
Try a free class at any Jacksonville location
See firsthand why parents and students stay with us for years
Just click the button below and we’ll reach out with everything you need to get started.
You’ll see results, build resilience, and find out why so many Jacksonville families trust Karate America—not just for martial arts, but for life.
