United Studios of Self Defense Oceanside

United Studios of Self Defense Oceanside offers Kids Classes, Teens Classes, and Adults Classes. The Kids Classes focus on karate, fitness, self esteem, and character building. The Teens Classes focus on helping adolescents and young adults handle the rigors of the modern world, and the Adults Classes focus on Karate for adults of all abilities.

Programs

• Kids Classes — Fun and engaging classes focused on fitness, self esteem and character building through karate.
• Teens Classes — Equipping adolescents and young adults to handle the rigors of the modern world.
• Adults Classes — Where adults of all abilities grow strength and friendships through Karate.

At a glance

• Ages: 4–18 years old
• Facility hours: Mon - Thurs 12:00 Pm - 8:00 pm; Friday 12:00 pm - 06:00 pm; Saturday 9:00 am - 1:00 pm

About the provider

The dojo has served Oceanside since 1991 and says it has been a premier location for Karate and Self Defense instruction for over 30 years. Master Terrell is the Chief Instructor and a former United States Marine (USMC). Elias Cawelti is an Assistant Instructor and was promoted to Sensei on 2025-11-18. Garrett Glassel is also an Assistant Instructor. The dojo says it offers bully-prevention and special events, and Master Terrell serves in his church’s American Sign Language (ASL) ministry as an Interpreter.

• Other Services — Bully-prevention, women's self defense, weapons training, special events, and comprehensive self defense services.

The dojo says it offers personalized attention and sensitivity to student needs. It also says all classes are taught with discipline and purpose.

What families say

“My son started Karate with Master T about 18 months ago... He listens, looks, learns, and has developed a great sense of leadership. His leadership abilities have transferred into his Kindergarten class at school and his Sabbath School class.” — Todd S., Oceanside

“Our soon to be 4 year old just started a few weeks ago and after shopping around to different studios, we couldn’t be happier. It takes a very special set of skills and patience to be able to work with really young kids, and (as a former 1st grade teacher) I can honestly say they set the new standard.” — Mara R., Oceanside

“Our 14 year old daughter has been at USSD for 3 years now... Master T is an amazing instructor, especially with kids that might be a little “different” like our daughter. He has a great sense of when to challenge her... and when to offer the extra support or accommodations she might need.” — Unspecified reviewer, Oceanside

Last updated October 22, 2026.