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Center for Officials Services

Center for Officials Services

App IconiOS App Store
App IconGoogle Play
  • Free
  • DragonFly Athletics, LLC
  • Sports, Education
Release Date: November 2021Last Update On: June 2025

The NFHS Center for Officials Services (COS), powered by DragonFly, is THE app for high school officials. The COS brings all things officiating into a single place so you can manage your schedule f...

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