Sir William Osler High School
Toronto, Ontario · Toronto District School Board
Term dates 2026-2027
Full TDSB calendar →Sir William Osler High School follows the TDSB Secondary - Semestered calendar, which runs Sep 8, 2026 to Jun 28, 2027: 187 instructional days, 7 PA days, 2 exam periods, with winter break Dec 21 to Jan 1 and mid-winter break Mar 15 to Mar 19.
First day
Tuesday, September 8, 2026
Next up
Last day
Monday, June 28, 2027
- First day
- Tuesday, September 8, 2026
- Last day
- Monday, June 28, 2027
- PA days
- 7
- Breaks
- Winter Break, Mid-Winter Break
Printable calendar
TDSB dates on one printable page.
Closest secondary schools
The nearest schools teaching the same grades, with how each placed on EQAO.
| School | Distance | Mean EQAO percentile |
|---|---|---|
| Monsignor Fraser College - Midland SCARBOROUGH | 0.4 km | Not published |
| Msgr Fraser-Midland Toronto | 0.4 km | 7 |
| Delphi Secondary Alternative School Scarborough | 0.8 km | 16 |
| Agincourt Collegiate Institute Agincourt | 1.2 km | 81 |
| Francis Libermann Catholic High School Toronto | 1.5 km | 64 |
Ranking report
Sir William Osler High School’s full results in one printable page.