Become a Basketball Official

Referee basketball with NCOA South!

The Sac Joaquin section's premier training organization for high school basketball officiating

Prepare for next season

Get unlimited training hours and improve your officiating by attending a summer camp

We will list camps here when they come to our attention. These camps are not affiliated with NCOA South.

Basics Referee School
July 11-14, 2025, Las Vegas Nevada
Register here

Referee Roundtable - June 6-8 - Modesto

Top high school basketball teams on the west coast participating
NBA, NBA G-league, D1,D2, JC officials as Staff
College assignors in attendance
Attendance counts towards HS training hours

Contact: Rich Patterson (209) 681-4200 or Noey DeLaRosa (209) 606-2233

View NCOA South referee training

Getting started in officiating is easy

Register at ncoasouth.com. Training and meeting resources - register here.
Register with ArbiterSports - Create an account or login, Choose basketball, and choose NCOA South as your training organization - ArbiterSports Registration.
Complete your training with us. We make it easy to get quality training.

2024-2025 Rule Changes, Official Test, Test Prep Study Groups, Scrimmages, New Referee Training and more, now available in the training area

View 2024-25 meeting schedule

Why become a basketball official? Excitement.

Basketball officiating is a great way to stay active and close to the game you love. For most basketball officials, officiating is a year-round avocation that gives opportunity for personal growth and development, as well as the ability to make some extra money.

Learn more

Recruit, train, and retain. Our mission.

The NCOA South basketball officials association actively recruits and trains basketball officials for high school level contests in the greater CIF Sac-Juaquin section. Serviced areas include Modesto, Stockton, Tracy and the foothills. Our job is to train and certify officials through online and in-person trainings and to promote officiating growth and improvement in its members.

Learn more

Pre-season meetings. Prepared for anything.

If you want to referee during the upcoming high school basketball season, you will want to attend our fall meetings. New referees are welcome to join us at the meetings.

Schedule