You can find information about coaching education on the OYSA site.
Any coach that wishes to obtain a license should have a profile in the US Soccer Learning Center and watch the Introduction video (all users must watch the Intro video before they are eligible for any other courses).
Grassroots and D Courses
Grassroots Courses focus on U.S. Soccer’s Coaching Education Philosophy, Play-Practice-Play Methodology, the Six Tasks of a Coach, and the characteristics of players in that specific game model (4v4, 7v7, 9v9, 11v11). Find Grassroots information and courses here.