Phoenix, Arizona · ITF TaeKwonDo

FORGE
YOUR
BEST
SELF.

Traditional ITF TaeKwonDo for all ages — taught by world champions, built for every level. Phoenix's premier martial arts school.

35+

Years of experience

25+

National titles

2×

ITF World Gold Medals

TKD

Now Enrolling All Ages Welcome Phoenix, AZ

Why TaeKwonDo

MORE THAN
A MARTIAL ART

TaeKwonDo is often recommended to people as a method of helping children and adults with short attention spans or low self-esteem. It is suitable for all ages, sizes, and physical ability. Our structured curriculum helps students set goals and experience the satisfaction of reaching them.

01

Focus & Concentration

Structured curriculum trains the mind alongside the body, building lasting attention and mental discipline.

02

Courtesy & Respect

Every class reinforces courtesy, humility, and respect for others — values that carry far beyond the dojo.

03

Speed & Strength

Progressive conditioning builds real athletic ability — power, speed, and coordination developed over time.

04

Self-Discipline

Students learn that progress is earned through consistent effort. Every belt tells a story of commitment.

05

Self-Defense Skills

Practical, real-world techniques grounded in ITF principles — for children and adults alike.

06

Health & Fitness

Improved flexibility, stamina, coordination, and energy — a full-body workout wrapped in purpose.

07

Confidence & Self-Esteem

Goal-setting and milestone achievement build genuine confidence that shows up everywhere in life.

08

Stress Relief

Training provides a powerful, constructive outlet — helping students of all ages unwind and recharge.

09

Balance & Agility

Precise techniques develop proprioception and body awareness that helps prevent injury in all activities.

Our Programs

SOMETHING
FOR EVERYONE

01

Ages 3–6

TIKES TAEKWONDO

Playful, foundational classes for little ones. Builds coordination, listening skills, and a love of movement from day one.

Get Started

02

Ages 6–15

JUNIOR TAEKWONDO

A full ITF curriculum in a dynamic, structured class. Real technique, real confidence, real results — in every session.

Get Started

03

Teens & Adults

TEEN & ADULT TKD

Challenging, rewarding training for older students. Self-defense, fitness, and a community that pushes you further.

Get Started

What Families Say

REAL RESULTS,
REAL STORIES

"

Our son started at age 5. Mr. Joe's teaching goes far beyond physical conditioning — our son has matured faster than he would have without JSK TaeKwonDo. Our daughter just started this year!

Scott M.

Parent of Two Students

"

I started as an adult with zero martial arts experience. The instructors meet you exactly where you are. Within six months I had more confidence and fitness than I'd had in years.

Maria L.

Adult Student, 2 Years

"

My daughter struggled with focus at school. After three months at JSK she's a different kid — her teacher noticed before I even mentioned the classes. The structure is exactly what she needed.

David R.

Parent of 8-Year-Old

READY TO
START?

First class is free. No commitment, no pressure — just come train.

Our Story

ROOTED IN
TRADITION.
BUILT FOR
TODAY.

At JSK TaeKwonDo, we teach the original traditional ITF TaeKwonDo, developed and taught throughout the world by the late General Choi Hong Hi — Grandmaster and Founding Father of TaeKwonDo.

Our philosophy: everyone can be great when they put their heart, mind, and body into it. Classes are disciplined, structured, dynamic, and welcoming to students of all ages.

Why ITF Matters

THE ORIGINAL TAEKWONDO

The ITF style is the traditional form of TaeKwonDo as developed by General Choi Hong Hi. It emphasizes precise technique, patterns (tul), and the deep philosophical principles of the art — not just competition sport.

JSK is one of a small number of schools in the Phoenix area teaching authentic ITF curriculum, with instructors certified and competing at the highest international levels.

35+

Years of training & teaching experience

25+

U.S. National Championship Titles

10

International competitions entered

2

ITF World Championship Gold Medals — 2004

Our Instructors

EXPERIENCED
TAEKWONDO MINDS

Owner · Founder · Head Instructor

MR. JOE KARSTADT

6th Degree Black Belt

Mr. Joe has been training in TaeKwonDo for over 35 years. A member of the U.S. TaeKwonDo Team, he holds 25+ National Championship Titles, has competed in 10 International Competitions, and was part of the team that won 2 Gold Medals at the 2004 ITF World Championships in South Korea. He is also a member of the Official TaeKwonDo Hall of Fame.

Head Instructor

MR. JOSH KARSTADT

4th Degree Black Belt

Immersed in martial arts for over 17 years and an active member of the U.S. TaeKwonDo Team. Josh has competed in 11 International Tournaments, holds 14 U.S. National Titles, and is a World Cup Medalist. His natural ability to inspire students makes him an essential part of the JSK teaching staff.

Owner · Director

MRS. KATE KARSTADT

Operations Director

Mrs. Kate is the brains and organization behind JSK TaeKwonDo. Her impeccable attention to detail is what makes JSK what it is today. From scheduling your first class to organizing birthday parties and everything in between — she's the one who keeps it all running with precision and warmth.

COME TRAIN
WITH THE BEST.

First class is completely free. All ages and experience levels welcome.

What We Offer

PROGRAMS FOR
EVERY AGE
AND GOAL

From our youngest Tikes to competing adults, JSK offers a full range of programs — on the mat, after school, and beyond.

For Young Families

🌟

Ages 5+

TIKES TAEKWONDO

Playful, structured classes for our youngest students. Builds foundational movement skills, listening, and a genuine love of martial arts from the very start.

Get Started

🥋

Ages 6–15

JUNIOR TAEKWONDO

A full ITF curriculum in a dynamic, structured class. Students progress through belt ranks, develop real technique, and build confidence that carries into every part of life.

Get Started

🎂

All Ages

BIRTHDAY PARTIES

Give your child the most unique birthday party in Phoenix. Our instructors run a fun, safe TaeKwonDo experience for the whole group. Unforgettable for everyone.

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🏫

School-Age

AFTER SCHOOL ENRICHMENT

We bring TaeKwonDo directly to your school. After-school classes that reinforce focus, physical activity, and character development right where kids already are.

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☀️

School-Age

SUMMER CAMP

A full week of TaeKwonDo-centered summer fun. Kids stay active, learn new skills, make friends, and have a summer they'll talk about all year.

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For Teens, Adults & Competitors

🏅

Teens & Adults

TEEN & ADULT TAEKWONDO

Challenging, rewarding training for older students. Real self-defense skills, serious fitness, and a community of people who push each other to improve.

Get Started

🛡️

All Ages

SELF DEFENSE TRAINING

Practical self-defense built on ITF principles. Learn to protect yourself and your loved ones with techniques that work in real situations.

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🎯

All Ages

PRIVATE LESSONS

One-on-one time with our head instructors. Ideal for accelerating belt progression, refining technique, or dialing in competition preparation.

Book a Session

🏆

Intermediate–Advanced

COMPETITION TRAINING

World-class competition coaching from instructors with national and international titles. If you want to compete and win, this is your program.

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📚

All Levels

SPECIALTY SEMINARS

Deep-dive workshops on specific topics — weapons, sparring strategy, patterns, and more. A great supplement to regular training or a standalone experience.

View Upcoming

Not sure which program fits you?

Contact us — we'll help figure out the best fit. First class is always free.

Training Times

WHEN
TO TRAIN

We offer classes Monday through Saturday to fit your schedule. All programs run at 4141 E Raymond St, Suite C, Phoenix.

Weekly Class Schedule

Class	Day(s)	Time	Level
TKD Tikes Ages 5+	Monday	4:30 – 5:00 pm	Beginner
Beginner TaeKwonDo White – Yellow Belt	Monday	5:05 – 5:50 pm	Beginner
Intermediate & Advanced Green Stripe – Black Stripe	Monday	5:55 – 6:45 pm	Intermediate
Elite & Black Belt Prelim / Jr / Sr Black Belts	Monday	7:00 – 8:00 pm	Advanced
Online Class All Belts	Tuesday	3:20 – 4:00 pm	All Levels
Adult TaeKwonDo Ages 16+	Tuesday	6:00 – 6:45 pm	All Levels
Beginner TaeKwonDo White – Yellow Belt	Wednesday	4:05 – 4:50 pm	Beginner
Intermediate & Advanced Green Stripe – Black Stripe	Wednesday	4:55 – 5:55 pm	Intermediate
Elite & Black Belt Prelim / Jr / Sr Black Belts	Wednesday	6:00 – 7:00 pm	Advanced
All Belt Levels Junior & Adult	Thursday	4:45 – 5:30 pm	All Levels
Private Lessons In-Person & Online	Mon – Fri	By Appointment	All Levels
TKD Tikes Ages 5+	Saturday	10:00 – 10:30 am	Beginner
Physical Conditioning All Welcome	Saturday	10:00 – 10:30 am	All Levels
Family Class All Ages & Levels	Saturday	10:35 – 11:20 am	All Levels
All Belt Sparring All Ages & Levels	Saturday	11:25 am – 12:10 pm	All Levels
IBIT Black Belt Training Black Belt	Saturday	12:15 – 12:45 pm	Black Belt
Black Belts Only Advanced	Saturday	12:50 – 1:20 pm	Black Belt

ⓘ Schedule subject to change. Belt testing and specialty seminars announced separately. Download the full PDF for holiday closures and special events.

Download PDF

For Current Students

STUDENT
HUB

Everything you need to support your training — curriculum sheets, pattern videos, downloads, and more.

📋

Curriculum

BELT ADVANCEMENT CURRICULUM

Download your curriculum sheet for every belt level — Grade 10 (White Belt) through Grade 1 (Black Stripe). Know exactly what's required for your next test.

View Curriculum

▶️

Video Library

PATTERN VIDEOS

Watch detailed demonstrations of every ITF pattern from White Belt through Black Belt on our YouTube channel. Review at home, on your schedule.

Printable reference sheets, forms, and training materials. Post them at home and reinforce what you're learning in class every single day.

Browse Downloads

📅