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Contact Information

School Loop Login

Ontario High School
24 Hour Attendance Line

(909) 460-5832

College & Career Opportunities

Click the image above to access college and career opportunities.

Register to Vote

Click the image above to register to vote.

District Payment Center


The Common Core State Standards Overview

Back to School Night - Wednesday, August 31st

Back to School Night
Wednesday, August 31st

The schedule is as follows:

5:00-6:00pm - School Loop Parent Training
6:30-6:45pm - Welcome and Introductions in the Auditorium
6:55pm - Classroom visits, Schedule below

1st 6:55-7:05
2nd 7:10-7:20
3rd 7:25-7:35
4th 7:40-7:50
5th 7:55-8:05
6th 8:10-8:20
0 8:25-8:35

There will be a minimum day on Thursday, September 1, 2016
School will be out at 11:33am.


Hello Jaguar Community,

We are off to an excellent start to the new school year!  Our students are well immersed in their classes and many are participating in after school activities and athletics.  We are very fortunate to have incredible facilities for our students.  We have an enormous amount of technology for students to learn along with Wi Fi for them as well.  

I encourage you to stay connected to your son/daughter’s high school journey.  We encourage you to attend athletic events and student activities.  You may also join us for “Coffee with the Principal” and visit our Student-Parent Impact Center which offers numerous parent education classes (the schedule/calendar is found under the resources tab above).

Thank you for your continued support and for partnering with us to bring about the best educational experience for our young Jaguars.  You may also follow me on Twitter @OntarioHS to stay connected to our school community!

We are preparing our students for college and careers!  Go Jags!

Mr. Zaldivar


Follow us on Twitter at @OntarioHS


Complete Summer Mailer Online!


The Chaffey Joint Union High School District is now offering the option of completing the summer mailer online for returning students. If interested, please complete and return the Online Authorization Form to Ontario High School to get your Aeries Parent Portal account.

Online Authorization Form: English, Spanish

Login to Aeries Parent Portal


Am I Ready for the Future?

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All Ontario High School students will graduate ready for college and careers.

Week At A Glance


Apply Online for Meal Benefits

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Try a new and convenient way to apply for Free and Reduced Meal Benefits online. It's fast, easy and confidential. 


Metro Honda - Perfect Attendance New Car Give Away


Get perfect attendance at Ontario High School during the 2016-17 school year and you will be eligible to win a new car from Metro Honda!


Official Rules

Go Jaguars!


Mr. Zaldivar, Principal

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Follow OHS on Twitter...


Promise Scholars Registration

Click here to register for the Promise Scholars Scholarship.

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OHS News

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Dream Act

School Accountability Report Card

2014-2015 - English
2014-2015 - Spanish

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

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.