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Welcome to COS!

The Collegiate Officiating Service is a Northern California officiating organization servicing Men's Junior college basketball for the Bay Valley, Big Eight and Coast Conferences.
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COS has been servicing Northern California JUCO schools since 2017/2018 season and is led by Supervisor of Officials Mark Reischling.

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COS News & Notes:
COS 2021/2022 Season Mantra: "Exceed the Expectations"

The COS Mantra for the 2021/2022 is to continuously "Exceed the Expectations"  that are set by yourself, by your peers, by the COS Leadership Team and most importantly the Bay Valley, Big 8 and Coast Conference AD's, Coaches, Players and Fans. 

The COS Leadership Team has set forth a level of "EXPECTATIONS" for the COS Staff Roster of Officials including but not limited to: Mental & Physical Preparation, Rules Knowledge, Professionalism and Accountability. 

COS is dedicated to providing TOP LEVEL service and prepared/professional officials ON and OFF the floor.
Contact COS

Mark Reischling,

Supervisor of Officials

Email: mark@cosrefs.com

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RESPECT - INTEGRITY - PROFESSIONALISM - PRESENCE - CONFIDENCE - LEADERSHIP - CONSISTENCY - SUCCESS 

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