CYA prefers that you use on-line registration. Click on "CLICK HERE TO REGISTER FOR CYA SPORTS" on the left side of this page. If you have any sport-specific questions, click on the sport at the top of this page or click on "CYA Contacts" on the left side of this page to email a Sports Coordinator. Refer any registration questions to the CYA Registrar at registrar@chantillyyouth.org.