Check out our Facebook page

NCOA South Basketball Officials

NCOA South, official website for Northern California Officials Association, Southern Unit. Basketball officials in the Southern CIF section in Central California or the greater Modesto/Stockton area.

To sign up for the UC Merced training, click here to send an email for questions or to sign up.

2019 - 2020 Meeting Schedule

This year meetings will be at Escalon High School

If you want to referee during the 2019 - 2020 high school basketball season, you will want to attend our fall meetings. New referees are welcome to join us at the meetings.

Meeting Schedule

September 23 2019- 6:00pm - 9:00pm
September 30, 2019 - 6:00pm - 9:00pm
October 14, 2019 - 6:00pm - 9:00pm
October 21, 2019 - 6:00pm - 9:00pm

1st and 2nd year officials will need to attend these additional meetings (also for others who may need to make up a meeting)
November 4, 2019 - 6:00pm - 9:00pm
November 11, 2019 - 6:00pm - 9:00pm

All meetings will be held at:

Escalon High School
1528 Yosemite Ave
Escalon, CA 95320

How to register for the upcoming basketball season:

All registration is electronic. No paying at the meetings.*

If you are a new official and have NEVER used the Arbiter, you must use a desktop computer. Tablets or mobile phones do not work for the initial registration.

To register, go to "" and click on the REGISTRATION tab. This will begin the self guided registration process. If you have trouble with this process, please email MMSS Assignor Pat Kimes at "" or text him at 209-568-7651. He will then contact you and help you through the process.

*If you have already registered for FOOTBALL this year, only complete steps 1-9 in the registration process and bring check for $50 to meeting. If you have not already registered for football this year, you must complete all 10 steps and pay online during the registration process.

The basketball season is just around the corner. We are very excited about our upcoming season.

The NCOA South has adopted a Non-discrimination and Equal Opportunity Policy. Click here to view.