IYSA Coaching Page Indiana Youth Soccer Coaches Page. Information for coaches on requirements, coaching courses and useful links. NSCAA National Soccer Coaches Association of America. Coaching organization that offers training and licensing that is recognized by IYSA. US Youth Soccer Coaches Connection Youth Soccer website of the USSF. Parent organization for the state associations. Enrolling in the Coaches Connection includes a free subscription to Success in Soccer. FIFA Laws of the Game The official governing body of soccer throughout the world. Decatur Sports Popular link for soccer coaches. One of the largest websites for drills and soccer-related activities.