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?

Welcome To Ontario High School!

If you are new to our school or are a returning student, we extend a warm welcome and hope that your experience here will be all you want it to be. This academic Planner /Curriculum Guide is designed to help you prepare for your high school career. It contains information about individual course offerings, graduation requirements, college preparation and entry requirements, and other matters that will help you put together your personal plan of study.

Link to OHS Curriculum Guide 2019-2020