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: Support@OneHSN.com
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 Region District School Board
Phone: 519-570-0003 x 4704
Email: care@wrdsb.ca
Hours of Operation: Monday to Friday - 8:30 am to 4:30 pm (EST)
OneHSN Support will be closed for the Victoria Day Holiday on May 18th, 2026. We will respond to your request during regular business hours.
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OneList Waterloo Region