Sir William Osler H.S. - TDSB

07/07/2026

We are happy to announce that the Rotary Club Markham-Unionville is supporting our Outdoor Spaces Project. We are hoping to break ground in Spring of 2027.

The Rotary Club will be hosting a Car Wash Sunday July 12th 11-4 to help raise funds.

Markham Village Community Centre 6041 Hwy 7, Markham, On L3P 3A7.

Come on out and get your car washed, or if you have some time, let them know you would like to volunteer on behalf of Sir William Osler H.S.

06/20/2025

Woohoo! Congratulations Osler. We did it again. We are a PLATINUM EcoSchool.

06/05/2025

Congratulations Osler Eagles for taking SILVER at Special Olympics in Ottawa. Way to go team.

06/03/2025

We are accepting all forms of payment for Fun In The Sun and the other 50th Anniversary celebrations. Credit, Debit and Cash.

06/03/2025

Our first event for our 50th Anniversary is coming up fast. Make sure to get your limited edition 50th Anniversary swag. See you Thursday, June 5, 2025 5 - 7 PM.

05/21/2025

For those that can only come to PARTY!!!!!

05/06/2025

For former and current staff, partners welcome. Hope you can join us for a dinner/dance. Saturday, June 7, 2025. 6:00 pm. Q'SSIS Banquet Halls. Live Music. See flyer to buy your tickets. No tickets at the door. Please share.

04/11/2025

Please like and share our events for the 50th Anniversary. What used to be our Open House is now "FUN IN THE SUN". A fun event for the whole family.

04/01/2025

Share your Osler memories.

Add to the Sir William Osler H.S. 50th Anniversary Memory Book

03/28/2025

Make sure to go to our school website to see what is happening for our 50th Anniversary.

Sir William Osler High School school web site