St. Sebastian CYO is affiliated with St. Sebastians Catholic Church which is located at 373 Bon Air Road, Kentfield, CA 94904. The mission of Catholic Charities CYO Athletics program encourages the healthy growth and development of the whole person by hel

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Welcome to St. Sebastian Basketball


2018-2019 St. Sebastian's CYO Basketball

(Kentfield/Greenbrae/Ross in Marin County)


CYO Families Thanks to you and the Kentfield School District PTA for All Your Generosity.  

(No more donations will be accepted at this time)

CYO Families :

Please help the "Camp Fire" Victims by Assisting the Kentfield School District PTA

Last year our community came together, in spectacular fashion, to help the victims of the Sonoma/Napa fires. We collected, sorted, and delivered over 300 backpacks to children who lost their homes. Once again, your KSPTA is collecting items to create individual backpacks, stuffed with essentials for students, this time for children who have been affected by the Camp Fire that has ravaged Paradise and Butte County. 


Backpacks (medium to large, no drawstrings)

Individually Packaged Toothbrushes

Individually Packaged Toothpaste

Individually Packaged Bar Soap

Pajamas (Size: 5 - Kids 14)


Books - all ages (no large or board books)

Small Stuffed Animals

Coloring Books


Cotton Blankets

Quartz size baggies


We are collecting the following items ONLY.

Items must be new and/or in original packaging:

Items can be dropped, outside of the office at Bacich, or in front of Room 34 at Kent


Marin County CYO Coaches Clinic Sunday, Postponed due to Camp Fire Smoke (will be rescheduled) November 18 @ Terra Linda High School

Highly recommended for 1st year coaches and those coaches in need of league rules information

Boys Coaches:

8:30 – 9:00 – CYO Rules

9:00 – 10:30 – Practice planning, philosophies and basketball fundamentals and strategies.

Girls Coaches:

10;45 – 11:15 – CYO Rules

11:30 – 1:00 – Practice planning, philosophies and basketball fundamentals and strategies.


Registration is now closed:

(Please email if your child desires to participate and is not registered.) 


Priority has been granted to registrants on a First Come First Serve Basis. Our goal is to accomodate all 3rd - 8th grade boys and girls residing in the Kentfield and Greenbrae area who desire to learn and play basketball in a fun, respectful,  friendly and competitive environment.  Respect to teammates, coaches, officials and opponents along with basketball knowledge and fundamentals along with player discipline will be emphasized.  Due to possible contraints with regard to availability of coaches and available practice times and facilities, roster spots may be limited. 

Roster spot availabilty and player evaluations with regard to late registrants after "evaluations" during the week of October 15 - 18, 2018 will be determined on a case by case basis per team.  Late registration may occur through December 1, 2018 depending upon roster spot availability and coaches' preferences. 

Your child's safety and welfare is top priority. All Coaches and others affilated with the Roman Catholic Archdiocese of San Francisco CYO programs are required to undergo a"fingerprint" background check and a training program regarding child safety.  


Season:  11/01/18 - 3/17/19

Practice begins the week of November 1, 2018

Tournaments in November/December


 Marin County CYO which coordinates league scheduling, rules and other criterea for all CYO activities under the jurisdiction of the Roman Catholic Archdiocese of San Francisco Catholic Charities can be accessed at the following.

Marin CYO provides information only. Questions should be directed to the to the coaches  regarding basketball questions affecting the players' team practices, games, tournaments and other matters specific to the team.  Until a Coach has been selected, you may address team and player specific questions to the "grade coordinator".   Any administrative  questions not answered on the St. Sebastian CYO basketball or Marin CYO websites should be emailed to 

 Any Parents or persons interested in the positions as Coach, Assistant Coach and score keepers should contact the Grade Coordinators or contact Bob McCullough at  Training and support will be provided.  Your assistance is appreciated. 

3rd grade Coordinator -  Allison Crawford, 
4th grade Coordinator -  Tom Poser, 
5th grade Coordinator - Tom Poser, 
6th grade Coordinator - Pam Nelson-Campbell, 
7th grade Coordinator -  Pam Nelson-Campbell, 
8th grade Coordinator -  Tom Turkington -
3rd grade Coordinator Allison Crawford, 
4th -8th grade Coordinator - Pam Nelson-Campbell - 

  St. Sebastian CYO  is one of approximately  9 Catholic parishes along with 3 to 4 other organizations which participate in Marin County CYO. 


CONFLICTS WITH GYM AND MP ROOM -Coaches: On certain dates both the Kent Gym and Kent Multipurpose room will not be available for practices. These dates will be provided on the website when provided by the Kentfield School District. This information will be available soon. 



League games begin January 5 & 6. Marin CYO will provide the league schedule by early to mid December 2018 for grades 4th through 8th. 

Regular days teams play - Example: 4AG=4th grade A team Girls

  1. SAT – 4AG. 4BG, 4BB, 5BG, 5BB, 6BB, 6BG. 7BB (7BG)
  2. SUN – 4AB, 5AB, 5AG, 6AB, 6AG, 7AB, 7AG, 8AB, 8AG, 8BB, 8BG (7BG)

3rd grade league play begins in January.  Contact  for more information.


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