Business Details
50+ Years
experience
Your Premier Martial Arts Training Center in Elkhorn, NE
Founded in 1968 by Grandmaster John Byrne, American School Of Karate & Judo has established itself as a premier martial arts institution dedicated to fostering personal excellence through its proprietary 5 Circle System. Our curriculum integrates techniques from Taekwondo, Karate, Judo, and Brazilian Jiu-Jitsu, emphasizing character development alongside physical mastery. With over five decades of experience, we've cultivated a legacy of excellence, earning national recognition including the 2019 National Martial Arts School Award from the World Head of Family Sokeship Council.Our team of certified instructors, including Black Belt Professor Jon Trizila and experienced educators at multiple locations, prioritizes individualized growth over competition, focusing on self-discipline, confidence, and community service. We maintain flexible programming for students aged 5+ while upholding traditional martial arts values through structured belt progression and annual achievement banquets.
Services
Martial Arts Classes
Brazilian Jiu-Jitsu
After School Program
Belt Testing
Curriculum Materials
Details
- Year established: 1968
Highlights and features
- 55+ years of proven martial arts instruction experience since 1968
- Customized 5 Circle System integrating multiple martial arts disciplines
- Focus on character development over competition-based metrics
- Flexible month-to-month enrollment with no contractual obligations
- Free trial classes available with no pressure to commit
Services
Martial Arts Classes
Structured martial arts instruction combining Taekwondo, Karate, Judo, and Jiu-Jitsu techniques. Classes focus on physical development, character building, and practical self-defense skills for ages 5+. Students progress through belt ranks via standardized testing.
Brazilian Jiu-Jitsu
Specialized BJJ training emphasizing ground fighting and submission techniques. Led by Black Belt Professor Jon Trizila, classes teach leverage-based self-defense applicable for all body types. Includes open mat practice sessions and tactical weapons training integration.
After School Program
Comprehensive after-school care providing martial arts instruction, anti-bullying training, and fitness activities. Offers school transportation, daily snacks, and holiday programming. Focuses on leadership development and character education in a supervised environment.
Belt Testing
Formal evaluation system measuring student progress through the 5 Circle System. Includes ceremonial banquets celebrating achievements in martial arts proficiency and personal development. Testing fees separate from regular tuition.
Curriculum Materials
Digital and physical learning materials supporting martial arts progression. Includes rank-specific manuals, instructional videos, and uniform packages. Available for individual purchase or full system acquisition.
People
Grandmaster John Byrne
Founder
9th degree black belt with 55+ years teaching experience. Developed the 5 Circle System integrating multiple martial arts disciplines. Recipient of multiple national awards including WHFSC Lifetime Achievement.
Jon Trizila
BJJ Instructor
Black Belt in BJJ and Judo under Luiz Palhares. Former Marine Corps Martial Arts Instructor with tactical weapons expertise. Develops practical self-defense curriculum for real-world applications.
Valerie Trizila
Co-Owner
Manages daily operations at American School Of Karate & Judo headquarters. Ensures program quality and student safety standards. Coordinates community outreach initiatives and special events.
Mark Wilder
Instructor
Certified martial arts instructor teaching at A.V. Sorensen Community Center location. Specializes in youth development programs and beginner-level instruction.
Gina Petersen
Instructor
Lead instructor at Montclair Community Center location. Focuses on junior belt progression and family-friendly class environments. Trained in multiple martial arts disciplines.
Questions
What martial arts styles do you teach?
We teach the 5 Circle System integrating Taekwondo, Karate, Judo, and Brazilian Jiu-Jitsu through structured classes for all ages.
Are there family discounts available?
Yes! Second family member receives $115/month, additional members $105/month with flexible month-to-month enrollment.
Do you offer trial classes?
Yes, free trial classes available for all ages with no obligation. Bring comfortable clothing and arrive 10 minutes early.
What are your class schedules?
Classes offered 6 days weekly at multiple locations. Youth classes 5:45pm-7:15pm, adult classes 7:30pm-10:00pm with Sunday open mat sessions.
Is transportation provided for students?
Yes, ASKJ provides school transportation for Elkhorn area students in our After School Program with daily snack included.
What equipment is needed to start?
Initial $60 fee includes uniform. Additional equipment and testing fees are separate. Curriculum materials available for purchase online.
