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?

OHS Registration Dates

OHS REGISTRATION FOR SENIORS/JUNIORS AUG 1 OHS REGISTRATION FOR SOPH/FRESHMEN  AUG 2 OHS OPEN REGISTRATION AUG 3 Students new to Ontario School District need proof of residency in Ontario. If you have any questions,...[more]

Used Lockers for Sale

Ontario School District is offering used lockers for sale. There are approximately 140 used lockers for sale in a variety of size, shape, color, and condition at this time. Lockers have been removed from the building and are...[more]

OHS Culinary Classroom Remodel Project 2018

Please see the attached documents for bidding on this project.[more]

Nutrition Services Summer School Schedule

Breakfast, lunch and snack are available at the following locations. [more]

New Health Adoption Materials Available for Public Preview

Preview Location:  OSD District Office   Questions or Comments:  Contact Melissa Williams 541-889-5374   The District team has selected McGraw Hill's Health and Wellness for Grades K-5, McGraw Hill's...[more]

Sign up for our PreK Summer Program

We still have availability in our PreK Summer Program.  Call us at 541-889-5374 or email us at dhernandez@ontario.k12.or.us to sign up. It's going to be awesome!! Students will love coming to school and it will get...[more]

Message from your Superintendent

Dear Parents and/or Guardians, By now you have likely heard of the terrible shooting at Stoneman Douglas High School in Parkland, Florida. These recent events have both saddened and shaken us all. Our hearts go out to the...

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