The SUNY Youth Sports Institute recommends that youth sports leagues/programs require that their coaches are trained in first aid.

The American Red Cross has an excellent online training program.

First Aid for Youth Coaches -
American Red Cross in New York State
Price: $45 person for online certification
https://www.redcrossonlinetraining.org/Distance/Default.aspx?CID=67

First Aid for Coaches, a component of Sport Safety Training, is a Web-based course developed by the American Red Cross of Greater Indianapolis and the United States Olympic Committee.

The course teaches American Red Cross first aid in the context of sport and the prevention of sport-related injuries. The participant will learn about becoming a more responsible coach and safely returning the athlete to play. The course will take four hours.

Course participants will receive the Sport Safety Training handbook, a user-friendly quick reference tool that can be placed in a first aid kit for easy access in an emergency.

First Aid for Coaches certification is valid for 3 years.