Gabriel Gonzaga
Head coach
- 5th-degree black belt, Brazilian Jiu-Jitsu
- Judo black belt
- 2x World BJJ Champion
- Former UFC heavyweight title contender
- Multiple-time IBJJF Masters World Champion

Leominster · 1033 Central St.
BJJ, No-Gi, MMA, women's kickboxing and kids classes. Head coach Gabriel Gonzaga: 5th-degree BJJ black belt, 2x world champion, former UFC heavyweight title contender.
Every program is beginner-friendly. Coaches pair you with partners your size and level.

14+ · Open · Main event
The gi program, taught by 5th- and 6th-degree black belts.
Get a ticket for Brazilian Jiu-JitsuAges 4–13 · Kids division
Jiu-jitsu for focus, confidence and real anti-bullying skills.
Get a ticket for Kids Martial Arts14+ · Open
Fast submission grappling in shorts and a rash guard.
Get a ticket for No-Gi Grappling16+ · Open
Striking, wrestling and jiu-jitsu, from fitness to fight camp.
Get a ticket for MMA16+ · Women's division
A hard, fun hour on the bags. Learn to throw a real punch.
Get a ticket for Women's KickboxingWorld-level coaches. Local gym. The same coaching you get on day one as a beginner.

Head coach
Head coach



Ages 4–13. Our kids program uses jiu-jitsu to teach the things school and screens can't. Classes are structured, safe and a lot of fun.
Pick a program. We text you to set a day and time.
Wear athletic clothes with no zippers. We lend you a gi for BJJ.
A coach walks you through the warm-up and the basics. No sparring on day one.
978-502-5682squaredleominster@gmail.com
Students train with us from Leominster, Sterling, Fitchburg, Clinton and Lancaster.
| Mon–Fri | 4:00 PM – 9:00 PM |
|---|---|
| Sat–Sun | 9:00 AM – 12:00 PM |
Full class times by program are on the schedule page.
No. Most of our students walked in with zero martial arts background. Every class starts with a warm-up and the basics.
Athletic shorts or pants and a t-shirt or rash guard, with no zippers or pockets. Bring water. For BJJ we can lend you a gi.
Our kids program starts at age 4 and runs to 13. Teens 14 and up join the adult BJJ and No-Gi classes.
Your first class is free. We go over membership options in person after your class, so you only pay for what fits your schedule.
Rather talk? Call 978-502-5682