Current Session Info

There are no sessions to register for at this time.

Getting Help

If you need help with the registration process, click here to submit a request, or contact:

For assistance with Registration,
contact Theresa Duggan

For more information, visit the St William CYO website at


Welcome to St. William the Abbot CYO online registration system.

Registration for Fall 2015 Basketball was held online from June 15 through June 22. There was also be an in-person registration on Saturday June 22 in the all-purpose room of the school from 9:00 AM though 10:00 AM.

There are still openings for the 5th grade volleyball clinic that will be held from August 10th - 20th.  Please email if you are interested.

Please note that jewelry, including earrings, is not permitted at games or practices.

We are looking for new coaches and team parents.

Further information about volleyball can be found at the St William Volleyball website, . If you have questions or would like information about coaching, please email