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Ontario High School
24 Hour Attendance Line

(909) 460-5832

Community Updates

The Common Core State Standards Overview



Click here to view OHS WASC information

Hey Ontario.....


The Chaffey Joint Union High School District has partnered with School Loop. School Loop is an innovative communication tool designed to keep parents, students, teachers and staff connected. With School Loop parents and students can:

  •  Check assignments online
  •  Monitor current grades
  •  Email teachers/counselors
  •  View school news/events
  •  Submit work electronically

Every Chaffey District parent and student is encouraged to register. It takes less than two minutes to sign up and all accounts are FREE! Click the 'Register Now' tab on the top left of this page.    

July 1, 2014

Hello Jaguars!

Welcome to the 2014-2015 school year! 

Many changes are happening at OHS!  We will have a new quad that should be complete by the time school starts on Wednesday, August 6, 2014. Our new classroom building is also making huge progress and should be ready for students to use in the winter. Our students continue to make great strides in all aspects of their life at Ontario HS. Many attended summer school and others continue their involvement in clubs and athletics during the summer!

Our staff is here to serve our students, parents, and community at large. With our parents’ and our community’s support, our young Jaguars will succeed!

I hope you are having a “JAGtastic” summer! Please see our spirit day schedule below.  Students will be allowed to pick up their class schedule during these days.


Seniors Tuesday, July 29th 8:00-11:00am
Juniors Tuesday, July 29th 12:00-3:00pm
Sophomores Wednesday, July 30th 8:00-12:00pm
Freshmen Orientation & Lunch Thursday, July 31st 8:00-3:00pm



See you soon!


Eduardo Zaldivar

Week At A Glance


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Vision Statement

At the end of the 2013-14 school year, Ontario High School will have improved student achievement by addressing individual student needs and improving classroom instruction.

Ontario High School would like to give Mark Christopher a special thanks for all of their support!


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Go Jaguars!


Mr. Zaldivar, Principal

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Dream Act

School Accountability Report Card

2012-2013 - English
2012-2013 - Spanish

A hard copy of our SARC Report is available in the main office.

Order Your Official Transcript Online

The link above provides you with the ability to request transcripts through Secure Transcript. Transcripts requested online are sent securely to the colleges, universities, or scholarship funds that you select.
You may track your request online, and you will also receive an email notification when we approve your transcript request, and again when your transcript is mailed (or delivered electronically, based on the delivery preference of the destination that you selected). 
Download instructions here.