Current Session Info

Fall Girls Basketball 2016

Registration closes in 2 days

CYO Travel Basketball for Girls in grades 4 through 12

Winter Boys Travel Basketball 2016

Registration closes in 2 days

Winter basketball for boys in grades 6 through 8

Fall Boys In-Parish Basketball 2016

Registration closes in 9 days

Fall Basketball In-Parish program for boys in grades 4 and 5.

Getting Help

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

For assistance with Basketball,

For more information, visit the St William CYO website at



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

Registration for CYO Basketball was completed on June 29. At this point there are a limited number of spots available for boys and girls in grades 4 through 8. A second registration will be held on this site from Saturday August 13 through Sunday August 28. Once the teams in a grade are full, players will be able to put their name on a waiting list.

Registration for Girls Summer Volleyball and Basketball was held from Monday May 16th through Monday May 23rd.  See for more information.   

Further information for the Sharks swim team is available on our website, or via email at