American Martial Arts Academy

American Martial Arts Academy offers Little Ninjas, the Kids Martial Arts Program, Summer Karate Camp, the After School Program, the Adult & Teen Martial Arts Program, and the Charter Schools Enrichment Program. The Summer Karate Camp includes field trips, karate classes, and creative activities. The After School Program includes school pick-up and homework help.

Programs

• Little Ninjas — Ages 3-5 · Classes available 6x a week at two locations — afternoons, evenings, and Saturday mornings.
• Kids Martial Arts Program — Kids 6-11
• Summer Karate Camp — Ages 5+ · All summer long
• After School Program — All ages
• Adult & Teen Martial Arts Program — Ages 13+
• Charter Schools Enrichment Program

At a glance

• Ages: 3–18 years old

About the provider

American Martial Arts Academy was founded in 1992, and its second studio in Placentia opened in 2012. The academy is family-owned and operated, with a mission to provide character-driven instruction that helps children and adults thrive. Founder Shihan Brad Wenneberg is a retired police officer, and the instructors are CPR-certified and Live Scanned.

Family-owned-and-operated business. Flexible, mix-and-match classes. Two locations in Fullerton and Placentia/Yorba Linda. Dedicated, full-time staff. Reply STOP to opt-out of text messages and emails.

What families say

“AMAA is so warm and inviting, all of the instructors are amazing with all age groups, they really know how to get the kids focused but also let the kids have fun. One of the best activities my son has ever been involved in. This place ROCKS!!” — Terri G.

Last updated October 4, 2026.