Business Details
17 Years
experience
Competitive Youth Basketball Programs in Orange County, CA
JSK Basketball is a competitive club basketball program founded in April 2009 by Jason Efstathiou, Shu Isagawa, and Kiyo Isagawa. Starting with just three players, we have grown to serve over 100 athletes annually through structured programs for youth and high school teams. Our mission focuses on developing basketball skills while instilling values of coachability, respect, and discipline. Our staff includes experienced coaches with backgrounds in CIF-SS championship teams, NBA developmental leagues, and high school programs. We offer year-round services including club teams, skills clinics, and summer camps tailored for players aged 8U to 17U.Our approach emphasizes individual growth alongside team success, preparing athletes for competitive play at higher levels. We prioritize mental and physical development through rigorous practice regimens and tournament participation. Our leadership maintains active roles in local high school basketball programs, ensuring alignment with collegiate standards. With practices held twice weekly and two tournaments monthly, we provide consistent opportunities for skill application. Our commitment to excellence extends beyond the court, fostering confidence and character in all participants.
Services
Youth Boys Teams
Youth Girls Teams
High School Teams
Skills Clinics
Basketball Camps
Details
- Year established: 2009
Highlights and features
- Our staff includes CIF-SS championship-winning coaches with NBA and high school experience
- We offer structured programs with 2 weekly practices and 2 tournaments monthly
- Programs available for both boys and girls aged 8U-17U
- Focus on both skill development and character building
- Direct connection to high school and collegiate-level basketball preparation
What people say
Experienced coaches
Structured training programs
Tournament opportunities
Skill development focus
Championship track record
Services
Youth Boys Teams
Structured basketball programs for boys aged 8U-14U. Practices held twice weekly with monthly tournaments. Focus on fundamental skill development and team strategy in competitive environments.
Youth Girls Teams
Basketball training for girls aged 10U-14U. Includes technical drills, game strategy, and competitive tournament participation. Emphasizes confidence building and athletic development.
High School Teams
Competitive programs for 15U-17U athletes. Combines advanced skill training with tournament preparation. Staffed by high school varsity coaches with championship experience.
Skills Clinics
Year-round skill development sessions. Focus areas include shooting technique, ball handling, and defensive strategies. Led by experienced coaches with professional and collegiate backgrounds.
Basketball Camps
Intensive summer training programs. Features drills, scrimmages, and positional training. Designed to improve individual skills while developing team play concepts.
People
Shu Isagawa
Director
Assistant Varsity Boys Coach at Mater Dei High School and former NBA D-League coach with multiple CIF-SS championship titles.
Jason Efstathiou
Director
Head Varsity Boys Coach at San Juan Hills High School and 2022 CIF-SS Coach of the Year with extensive youth development experience.
Art Carrido
Coach
Assistant Varsity Boys Coach at San Juan Hills High School with prior head coaching experience at Trabuco Hills High School.
Rylan Kies
Coach
Assistant Boys Coach at San Juan Hills High School and former CVAA All-League player with tournament-winning experience.
Scott Majors
Coach
Head Varsity Girls Coach at Aliso Niguel High School with prior coaching roles at multiple Southern California high schools.
Questions
What age groups do you serve?
We offer programs for boys aged 8U-14U, girls aged 10U-14U, and high school athletes aged 15U-17U.
What services do you offer?
We provide club teams, skills clinics, summer camps, and private training for competitive basketball players.
What experience do your coaches have?
Our staff includes CIF-SS champions, former NBA D-League coaches, and current high school varsity coaches with tournament-winning records.
How often do teams practice?
All teams practice twice weekly with two tournaments scheduled monthly during their respective seasons.
Do you offer summer programs?
Yes, we host annual skills camps like our 2024 JSK Skills Camp scheduled for July 15-17.
