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?

School Hours


Start time:  8:00 a.m. - End time:  2:50 p.m.

Frequently Used Links for Parents and Students



Parents and students may login to view student attendance, grades, and GPA history.  For assistance regarding access, please call the school at (541) 889-5309.


The official Ontario High School calendar includes sporting events, holidays, and special events.


Use the staff directory to search for contact information for teachers, administrators, and other staff members.

Bell Schedules

OHS class schedules--regular day, late start, CHAMPS, & assembly schedules.

OHS Dress Code

The official OHS dress code

High School News

College Visits

OHS students had the opportunity to visit with College Admission Counselors from Eastern Oregon University and Oregon State University last week and this week.  Future visits from the University of Oregon, Lewis-Clark State...[more]

PARENT TEACHER CONFERENCE / Conferencia de Padres y Maestros

Wednesday September 21, 2016 and Thursday September 22, 2016 miƩrcoles 21 de septiembre de 2016 y jueves 22 de septiembre de 2016

Oregon Department of Education

2015-2016 Notice for Statewide Tests

FFA State Results

Congratulations to OHS who FFA attended their State Conference in Silverton returning with the following results[more]

Malheur County Poverty to Prosperity

Ontario High School is participating in the Poverty to Prosperity Program whose purpose is preparing youth to find local jobs while attracting new industry and jobs to Malheur County. The Welding & Allied Health programs at...[more]


If you would like to order the 2014-2015 OHS Yearbook contact Mrs. Alexander to pay the $50 cost.

School and District Report Cards

The Oregon Department of Education produces yearly report cards for schools and districts. These reports were mandated by the 1999 state legislature and provide educators with an opportunity to communicate directly with parents...[more]

Good schools

Ontario High School ranked among state's best.

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