
Built for the kid whocan't sit still.
Whether your child is full of energy, a little shy, or somewhere in between - our small classes give them the structure, focus, and confidence they're missing. Serving families across Hasbrouck Heights and Bergen County. Ages 3-14.
12+ years helping Bergen County kids find their footing
- Small Class Sizes
- Beginner-Friendly
More than martial arts. It's the kind of place kids never want to leave.
Most kids quit sports by age 11. Ours stay for years - because this stops feeling like a class and starts feeling like family.
Small classes, real attention
We keep classes small so every kid gets noticed. The quiet ones, the wiggly ones, the ones who don't fit a mold - they all get the attention they need.
Built for energetic kids
ADHD, shy, anxious, full of energy - we've taught them all. Structure without rigidity. Discipline without yelling.
More than just kicks
Kettlebell strength sessions, holiday parties, private classes, and a real community. We meet kids where they are.
A reason to stick around
We have students who started with us at age 5 and are still training as teens. That's not an accident - it's the culture.
A class for every age and stage.
From their very first kick to their black belt - and beyond.
Tiny Tigers
Where the foundation gets built.
Little ones learn to listen, take turns, follow directions, and burn off all that energy - through games, drills, and the very first basics of martial arts. It's where a black belt journey starts, and where parents see real changes at home in just a few weeks.
View program detailsKids Martial Arts
The heart of our school.
This is where most of our students are - and where the real growth happens. Confidence, focus, discipline, and self-control through martial arts that kids actually look forward to every week. Many of our students have been training with us for years. Beginners welcome anytime - no experience needed.
View program details Ages 13+Teens & Adults
Real training for real life.
Self-defense, kettlebell strength training, kickboxing, Kali sticks, and more. Whether you're a teen looking for something challenging or a parent who wants to train alongside your kid, there's a spot for you. Discounted rates for parents of current students.
View program detailsNot sure which class is right? Come try a free trial - we'll help you figure it out.
Book a Free Trial Class"Been bringing my kids here for over a year now and they love the classes even more than when they first started."
"Master Joe is amazing - he helped build our daughter's confidence with his wonderful classes and teaching tactics. I highly recommend his programs."
"The best place for martial arts. We tried a few places before, but nothing comparable with Sidekick. Master Joe is incredible with the kids."
Here's exactly what happens at your free trial.
No surprises, no hard sell, no pressure. Just a fun class and a chance for you and your kid to see if Sidekick is the right fit.
Book your spot
Pick a class time that works for your family. We'll confirm by text or email - no phone tag, no awkward sales calls.
Show up & get welcomed
Arrive 5 minutes early in comfortable clothes - sweats and a t-shirt are perfect. We'll greet you by name and introduce your kid to Master Joe.
Try a real class
Your child joins a real class with kids their age - not a watered-down demo. Parents are welcome to watch from our viewing area.
Decide on your terms
After class, we'll answer any questions you have. If Sidekick feels like the right fit, we'll talk options. If not, no hard feelings - your kid still had a great time.
Everything you wanted to know.
Your kid's first class is on us.
One free trial class. No commitment, no pressure. Just bring your kid in their comfortable clothes and let them see what makes Sidekick different.
Based in Hasbrouck Heights • Welcoming families from across Bergen County
Proudly serving families across Bergen County
Hasbrouck Heights · Wood-Ridge · Lodi · Carlstadt · Moonachie · Teterboro · Little Ferry · Garfield · South Hackensack · Rutherford · East Rutherford
Don't see your town? You're still welcome - many of our students travel from across the area.

