Center for Officials Services app analytics for March 14
Center for Officials Services
- DragonFly Athletics, LLC
- Apple App Store
- Free
- Sports
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 from anywhere with ease.
Use the COS app to:
• View your game assignments
• Get push notifications
Store Rank
The Store Rank is based on multiple parameters set by Google and Apple.
All Categories in
United States--
Sports in
United States--
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Center for Officials Services VS. March 14, 2025