Welcome to the digital home of the Girls Catholic Athletic Conference Official's Association. The GCACOA meetings are at a member High School prior to each season starting. Contact us for details on joining so you don't miss the next meetings!

Get Signed Up - GCAC Officials Assn!

The Girls Catholic Athletic Conference (GCAC) registration has kicked off.  To be considered for membership, you must complete the Independant Contractors Agreement for for 2019-2020. Once you complete and sign this agreement, please send the signed copy to Sal Vasta.

Beginning with the 2019-2020 season, you now have the option to pay for your Annual Dues with a credit card. GCACOA is using Paypal to process credit cards but you DO NOT have to have a Paypal account - just enter your credit card details after you click the button below.

2019 GCACOA/WBOA Clinic

We have finalized our WBOA/GCACOA Clinic dates and locations. You can download the registration form here (PDF). The 2018 Clinic will take place on the following dates and locations:

  • Classroom (for both Level 1 & 2) on Tuesday, October 22 at St. Joe's Catholic HS from 6:00 - 10:00 PM
  • All games (for Level 2) take place on Sunday, October 27 at Montini Catholic HS from 8AM - 6PM, your specific time will be TBD once the clinic registrations are collected.

Our History

The history of GCACOA goes back over 40 years and many of our members have been there every step of the way. We have many members in the GCAC Hall of Fame, the Illinois Basketball Coaches Hall of Fame, as well as named NFHS Official of the Year.

Meeting Schedule

Mark your calendar now! All of the GCAC meetings have been confirmed. The schedule is below - please note each meeting this year is at a different location by request of the GCAC.

  • 11/3 @ 1-3PM Mother McAuley
  • 11/10 @ 4-6PM Trinity
  • 11/11 @ 1-3PM St. Joe's
Directions to Meetings!

Get to the Schools

You can follow this page to get to the schools and find out who to contact at each location. There have been a few changes from year's past so check here first.


Several times each season as well as throughout the off-season, we will keep you informed by the GCACOA Update. An abbreviated version of this will be sent out by email but this will be where you can review old versions.

Contact Us

The GCACOA Board consists of 4 Officials with over 150 years experience and 2 representatives from the GCAC.