
Not only self-defense, but the focus, goal setting, self-discipline and self-respect kids need for the rest of their lives. Taught in Newtonville since 1999 by black belts who know your child's name.

Online-Only Web Special
$45 Uniform Included
Everything your child needs to start. Classes fill up, so grab a spot while it's open.
Sound Familiar?
Can't sit still for two minutes
Learns to focus on one thing at a time
So easy-going that nothing gets finished
Finds drive of their own and follows through
Shy, and hangs back from other kids
Speaks up, makes friends, raises a hand
Getting pushed around at school
Stands tall, uses their voice, and knows what to do
1999
Teaching Newtonville kids since

Designed For This Age
Master Danny Sohmer walked onto this mat as a student in 2002 and now runs the school. Many of the black belts helping on the floor started here as little kids themselves. That is why one room can hold kids of different ages and abilities and keep every one of them engaged: kids who need patience get it, kids who need a challenge get one, and private lessons are there for kids who need a slower start.
Focus That Transfers
Drills that reward paying attention. Teachers often notice before you do.
Bully-Proof Confidence
Posture, voice and boundaries first, real self-defense second.
Respect, Out Loud
Every class ends with the Student Creed: knowledge, kindness, and never hurting anyone.
Every Kind Of Learner
Including kids with ADHD or on the spectrum, with private lessons when needed.
Belts That Mean Something
In the Chuck Norris System, promotions are earned on real skill.
They Ask To Come Back
High-energy, age-appropriate drills with structure underneath the fun.
Bow In & Focus
Kids line up, bow in, and leave the day at the edge of the mat.
Warm-Up Games
Coordination and listening drills disguised as the part they love most.
Technique
Blocks, strikes and kicks broken down step by step on pads and bags.
Skill Of The Week
Self-defense, forms or partner work, plus the life skill tied to it.
Creed & Bow Out
The Student Creed, a win from today, and a goal for next class.

Black Belts
helping on the floor, many trained here since kindergarten



Ages are grouped so beginners are never lost and experienced kids are never bored.
Within The First Few Weeks
The change usually shows up at home before it shows up on their belt.
They listen the first time, and homework battles get shorter
They stick with hard things instead of quitting
They speak up in class and stand up for themselves
They come home proud, and show you every new kick
Built For This Age
You're trusting us with your child. This is how we keep that trust.
Controlled Contact Only
Pads, head gear and gloves for partner work, and sparring only when a child is ready. Every drill is supervised.
Built For Their Age
Classes paced for young attention spans. Every minute planned, no standing around.
High Standards, No Shaming
We hold kids to a real standard and celebrate every step toward it.


A winner never quits, and a quitter never wins. It's painted on our wall, and our students live it.
World-Level Competition
Team Giroux Bros brought home 4 Norris Cups from the 2024 UFAF World Championships.
A Path To Leadership
Black belts here help teach the younger kids, and many go on to instruct.
A Second Home
Parents call this place a home away from home. Kids grow up here.
1999
Family-owned in Newtonville since
100+
students promoted to black belt by our founder, Master Steve Giroux
4
Norris Cups won by Giroux Bros students at the 2024 World Championships
Parents Are Amazed
"My kids love going to Giroux Brothers for karate. Danny is an excellent instructor, he is able to teach a room full of kids of all different ages and abilities while keeping them engaged, responsible and having fun. It's very inclusive. So happy we found this place, I wish I had started my kids even younger!"
— Katie Morris
"Our 9 year old son has been taking karate classes at Giroux Brothers Newton for 3 years. We have seen him grow in confidence over the years. The studio is a good balance of discipline, respect, and fun, which is so important to have the kids wanting to come back. Our son also loves the weeklong camps in summer."
— Lauren Cornella
"Great place. My kids love their classes at Cabot School and summer camp. Danny is super organized and responsive. Recommend!"
— Antonia Prieto
"Danny and team are awesome! This is one of the classes my kids always look forward to!"
— Neeraj Mahajan
"Did karate here since 2008, made good friends."
— Ronen Danziger
"We started as white belts, and over the years, we've evolved together, earning our black belts. Whether you're a novice or returning to karate, Giroux Brothers delivers boundless benefits for all ages."
— Chad Updyke
"For my younger son, who's on the autism spectrum, private lessons with Coach Steve have been transformative. From struggling with following one instruction to now participating fully, his progress has been heartening."
— Liz Katz
"The amazing instructors have successfully instilled values of respect, inclusion, dignity, and loyalty in my young son. He's more than just a student; he's a part of a nurturing community."
— Gabriela Layani
Black Belt
Led Programs
1,000s
Families Trained
5.0
Google Rating
Black Belt
Head Instructor

Online-Only Web Special
$45 Uniform Included
Everything your child needs to start. Classes fill up, so grab a spot while it's open.
Watch Our Students
Our elite demo team took 2nd place at the 2024 UFAF World Championships. Here they are performing on the street at the Newtonville Fair.

Master Danny Sohmer
"I walked onto this mat as a student in 2002, and it became my second home. Come as you are. I'll personally make sure your first class feels as welcoming as mine did."
Master Rank, Chuck Norris System
Owner & Head Instructor, Newtonville · Giroux Bros Martial Arts
Common Questions
Four weeks, a free uniform, and an honest conversation about whether this is right for your child.