America’s Best Martial Arts

America’s Best Martial Arts offers BJJ Little Rollers for ages 3-5, BJJ Juniors for ages 6-12, BJJ Adults for ages 13+, Karate Little Dragons for ages 3-5, Karate Juniors for ages 6-12, Karate Adults for ages 13+, Krav Maga Juniors for ages 6-12, and Adults Krav Maga for ages 13+.

Programs

• Krav Maga Juniors — 6-12
• Adults Krav Maga — 13+
• BJJ Little Rollers — 3-5
• BJJ Juniors — 6-12
• BJJ Adults — 13+
• Karate Little Dragons — 3-5
• Karate Juniors — 6-12
• Karate Adults — 13+

At a glance

• Ages: 3–18 years old

About the provider

Mark Cox established America’s Best Martial Arts in October 1990. The program says it teaches real self-defense with a competitive edge and supports a family-oriented environment while teaching applicable martial arts techniques. It says it warmly embraces students of all backgrounds and experience levels and enforces a judgement-free zone. Mark Cox has over 700 black belts and counting, is a best-selling author, and is an influential motivational speaker. Ashley Sage holds a 1st Degree Black Belt in Krav Maga and a Level 4 Instructor Certified rank in the Federation. Brooks Morgan is a 2nd Degree Black Belt in Krav Maga under the AKMF. Anica Fountaine is a 4th Dan Black Belt under Grand Master Cox.

The school offers classes in Chatsworth and Simi Valley. It says to choose a location. It offers a 2 week trial for $29 and a T-shirt.

What families say

“The owner and the instructors here go out of their way to make sure you learn and you have a great experience.” — Robert M.

“I've been training here for about 4 years; the staff are professional, knowledgeable, and fantastic teachers.” — Brigit H.

“My son enjoyed his time there as everyone, staff and peers, eventually became family. They treated him like one of their own.” — Roland F.

Last updated September 17, 2026.