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Ontario High

Ontario, California · Grades 9 to 12 · Chaffey Joint Union High

Public school

About Ontario High

Ontario High is a public school in Ontario, California, serving grades 9 through 12. Enrollment was 1,994 in the 2024-25 school year. That is about average in size for public and charter high schools in Ontario. With about 91.3 full-time-equivalent teachers, that works out to roughly 21.8 students per teacher. The surrounding area is classified as a midsize city, in San Bernardino County. Within 5 miles there are 110 other schools, so families have nearby options to compare. Chaffey Joint Union High runs 11 schools listed here, including this one. See them all.

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School facts

Address	901 West Francis St., Ontario, CA 91762
Phone	(909) 988-7411
School district	Chaffey Joint Union High
Grades	9 to 12
Students (2024-25)	1,994
Teachers (full-time equivalent, 2024-25)	91.3
Students per teacher	21.8
Charter school	No
School type	Regular
Level	High
Locale (NCES)	City, midsize, San Bernardino County

Source: NCES Common Core of Data (CCD), 2024-25 public school directory and membership files (NCES school ID 060816000795). Details may have changed since the survey. Schools can update them by claiming this profile.

Nearby schools

Richard Haynes ElementaryPublic · Grades K to 6Ontario · 0.2 mi Ontario Christian SchoolPrivate, Christian (nondenominational) · Grades PreK to 12Ontario · 0.5 mi Vista Grande ElementaryPublic · Grades K to 6Ontario · 0.6 mi Oaks MiddlePublic · Grades 7 to 8Ontario · 1 mi Euclid ElementaryPublic · Grades K to 6Ontario · 1.2 mi Christ Lutheran Preschool & DaycarePrivate, Lutheran · Grades PreK to KChino, CA · 1.2 mi Sultana ElementaryPublic · Grades K to 6Ontario · 1.2 mi De Anza MiddlePublic · Grades 7 to 8Ontario · 1.2 mi

The 8 closest public, charter and private schools by straight-line distance, from NCES location data. Listings here are never paid.

Frequently asked questions

What grades does Ontario High serve?

Ontario High serves grades 9 through 12.

How many students attend Ontario High?

Ontario High reported 1,994 students in 2024-25, according to the NCES Common Core of Data.

What is the student-teacher ratio at Ontario High?

About 21.8 students per full-time-equivalent teacher, based on 1,994 students and 91.3 teachers in federal data.

Is Ontario High a public or charter school?

Ontario High is a traditional public (non-charter) school.

What school district is Ontario High in?

Ontario High is part of Chaffey Joint Union High. See all schools in this district at https://parentschoolreview.com/districts/ca/chaffey-joint-union-high/

Where is Ontario High located?

Ontario High is at 901 West Francis St., Ontario, CA 91762. The phone number is (909) 988-7411.

How many other schools are near Ontario High?

There are 110 other schools within 5 miles of Ontario High in our directory.