When I emailed admissions, they replied with the following:
Thank you for your interest in graduate studies at OISE.
Notification of results are provided to applicants via the online admissions application. We start uploading letters in early March and continue into March, April, and sometimes later months. If you submit a complete application by November 16, you should receive a decision sometime in March. If you submit an application after November 16, decisions are available within three to six weeks of application submission, but no sooner than early March.