St. Catherine of Siena CYO

2018-2019 Saint Catherine CYO Basketball Registration


Saint Catherine of Siena Catholic Youth Organization - Our Mission

As a ministry of Saint Catherine of Siena Parish, the mission of the Saint Catherine of Siena CYO program is to enrich the lives of our children by providing athletic development and competition in a safe, sportsman, Christian environment. 

We seek to enhance the self-confidence, self-discipline, and perseverance of our children, while developing their athletic skills, and spiritual growth.

CYO Points of Emphasis are Spirituality, Service and Sportsmanship. 

"You are rewarded not according to your work or your time, but according to the measure of your love." - Saint Catherine of Siena 

Welcome to the 2018-2019 Saint Catherine CYO Basketball Registration!

This registration session will allow you to complete contact information, sign up for participation,order uniforms and submit payment. Please read through each page carefully to ensure that all information is provided accurately. 

New Players Proof of Age:

According to the Oakland Diocese CYO Regulations, all ages shall be verified with proof of age. The following are valid as proof of age: a. Birth certificate or photo copy. b. Baptismal certificate or photo copy. c. Legal proof of birth or photo copy.

Please upload a copy of the proof of age in the next screen. 

Proof of Residency:

Please upload proof of residence, such as PGE bill, car registration, or legal document with your address. 

Note: Saint Catherine of Siena School and Religious Education students are not required to provide this proof. Confirmation of enrollment in the school or religious education will be done with the Principal and Religious Education Director. 

Payment Options:

Visa, MasterCard, Discover, or checks are accepted through this site.  Following the completion of this registration, you will see a charge on your account from STC CYO Basketball


Family Discount

In order for the registration system to recognize that you are registering multiple players, please register all of your players at this time.  On the Review Page, there is a link near the bottom to "Register Another Player" - please click on this link to ensure that all of your players are registered within the same order.

***Failure to do so will result in a forfeiture of your Family’s discounted rates.***


NEW PLAYERS are required to order UNIFORM (Jersey and Shorts ONLY) at the time of registration. 

Returning players from 2017-2018 Season may use their previous uniform and jersey number.

Registration and Payment Deadline

Please Note: Registration fees increase $25 after August 31st and are subject to space availability. Evaluations and Practices begin in early September. 


Please direct any questions regarding this registration to:

Gina Marks


Phone: (925) 817-9429