Below are sources for coaches to learn and develop their coaching knowledge

USA Football
  - Coaching Certification

Positive Coaching Alliance (PCA)
  - Double-Goal Coach - Coaching for Winning and Life Lessons
  - Double-Goal Coach - Culture, Practices and Games
  - Double-Goal Coach - Developing Triple-Impact Competitors

 First Aid Certification Classes
  - Red Cross First Aid Certification Class
  - PREPARE Sports Safety Coarse - National Center for Sports Safety