Address

3850 EAST RIVERSIDE DR.
ONTARIO, CA 91761
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Phone Number

909-930-2929

Website

http://www.cjuhsd.net

Important Links: Board Board Agendas Board Bulletins Board Meeting Board Meeting Board Meeting Board Meeting Board Meeting Schedule Current Board Agenda Instructional Calendars Instructional Calendars School Board

School Type

Public School

Grades Served

09-12

School Level

High

Also Known As

Colony High (Official Name Supplied)

Student and Staff Info

Student Enrollment: 2,285

--Gathered from public sources that schools self report. These may be inaccurate.--

School District

Chaffey Joint Union High

Interactive Map

California Education Info

California School District Maps and Boundaries in 2026: What Parents, Educators, and Communities Should Know

California Teacher Certification in 2026: What Educators Need to Know

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Grace Yokley Junior High School in Ontario, CA (2.0 miles)

Park View Elementary School in Ontario, CA (2.0 miles)

Related School Info

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Information is generated using publicly accessible school-supplied data and may be inaccurate

Last Updated: 2026-06-05 22:41:22 || School Id: 7977