For Support with your OneList Application:

  • For Technical Assistance with the OneList site, contact OneHSN Technical Support at:

Phone: (888) 722-1540

Email: For assistance or information please e-mail us at:

Hours of Operation: Monday to Friday - 8:00 am to 5:00 pm (EST)


  • For support with School Board Operated Before and After School care, including registration, scheduling, billing, and tax receipts, please contact the school board:


Waterloo Catholic District School Board

Phone: 519-578-3660



Hours of Operations: Monday to Friday - 8:30 am to 4:30 pm (EST)

WCDSB Parent Handbook – Extended Day Programs

WCDSB Extended Day FAQ


Session: 7468c5e8-c5ee-4c72-9f7d-ff9a24c7ecb4
Request: 60ec0eca-5aa7-4ed7-8888-31864e7dc0f6
Timestamp: 12/4/2023 7:20:43 AM +00:00

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