CYO, the Catholic Youth Organization, is the Athletic Program for the Diocese of Oakland. Check this page for sign-up information as well as team information.
The following link will take you to the main St. Agnes CYO site:
www.stagnescyo.com
Nurturing the Heart and Mind of Every Child
3886 Chestnut Ave. / Concord, CA 94519 / 925-689-3990