U.S. Soccer Learning Center: https://learning.ussoccer.com/coach/
New Coaches: Follow the link above and click on Courses Tab (You will need to click Sign-Up to create an account) then click on the Introduction link to get started with the Introduction to Grassroots Coaching Course.
"U.S. Soccer is committed to providing all coaches, from beginner to advanced, with education tailored to their experiences and the needs of their players. The Coaching License Pathway consists of a series of courses designed to meet the specific needs of a coach at every step of the way. U.S. Soccer believes education is a journey, and our goal is to provide the necessary tools, guidance, and mentorship a coach requires."