ONTARIO SCHOOL DISTRICT

We're O Positive.

O Positive is more than a slogan for us.
It's our way of telling a story of the many
successes that are deserving of Ontario's pride.
Are you ready to be a part of our story?

Ontario High School Calendar of Events

This calendar contains all of Ontario High School's upcoming academic and sporting events.  Click on an event for more information and use the navigation buttons to change the view.