Brazilian Jiu-Jitsu

for Adults and Kids

Safe, structured, and beginner friendly training designed to help adults and kids build confidence, strength, and focus from day one.

ADULTS (16+)
KIDS (6-15)

About 4KBJJ Princeton

4KBJJ (4 Korners Brazilian Jiu-Jitsu) is a family-focused academy dedicated to helping both kids and adults grow through discipline, confidence, respect, and movement. For over a decade, our coaches have trained students of all ages, guiding them with patience, care, and clear instruction.

We believe Jiu-Jitsu is more than a martial art. It is a practical tool for building focus, resilience, confidence, and emotional control that carries into school, work, and everyday life.

4KBJJ is known for its safe environment and supportive coaching style, helping beginners feel comfortable and capable from their very first class, while allowing experienced students to continue developing at their own pace.

THE 4 Korners jiu-jitsu PROGRAM

A Structured Program Built for Real Life

We focus on:

  • Confidence and self-belief

  • Discipline, respect, and accountability

  • Improved focus at work, school, and home

  • Healthy, consistent physical activity

  • Problem-solving and body awareness

  • Safe self-defense foundations

  • Emotional control under pressure

  • Leadership and personal growth

BOOK a FREE TRIAL CLASS

ADULTS (16+)
KIDS (6-15)
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Our Weekly Class Schedule

choose the days and times that work best for you.

ADULTS (16+)
KIDS (6-15)

Jiu-Jitsu Kids (Ages 6–9)

Your First Class Is Free

Book Your Trial and Experience the 4KBJJ Difference

Structured training, big fun.
Kids learn coordination, discipline, and respect through engaging drills and games designed to build skills on and off the mat. Confidence and focus grow with every class.

Jiu-Jitsu Teens (Ages 10–15)

Leadership meets discipline.
Our teen program focuses on technical growth, teamwork, and confidence — helping students build resilience and focus while learning advanced BJJ techniques in a safe, structured setting.

Adult Jiu-Jitsu Training

Now Available (16+)

Adult classes focus on strength, confidence, and mental focus, guided by experienced coaches who meet you at your level and help you progress safely.

Choose your time and book a free trial. Limited spots available.