Alternative SchoolHighMostly virtual

Chaffey District Online High

1802 East 7th St., Ontario, CA 91764

Grades
9–12
High
Students
93
Enrolled 2024–25
Students per teacher
18.3 : 1
Full-time teachers
District
Chaffey Joint Union High
San Bernardino County

Not graded

Alternative schools serve students whose needs a regular school could not meet, and states hold them to separate accountability rules, so we don't rank them against regular schools. How we grade

About Chaffey District Online High

Chaffey District Online High is an alternative high school in Ontario, California, serving grades 9–12. It is part of Chaffey Joint Union High. The school is located in a midsize city in San Bernardino County.

In the 2024–25 school year, 93 students were enrolled, with about 18.3 students for every full-time teacher. That ratio is close to the typical California high school (18.5 students per teacher). The school is mostly virtual.

Grades & enrollment

Students per grade, 2024–25Grades 9–12

Location & nearby schools

1802 East 7th St.
Ontario, CA 91764
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School details

Type
Alternative School · What this means
Level
High
Grades offered
9–12
Enrollment (2024–25)
93 students
Students per teacher
18.3 to 1
Charter school
No
Magnet school
No
Virtual learning
Mostly virtual
Locale
City — Midsize
School district
Chaffey Joint Union High
County
San Bernardino County
NCES school ID
060816013110

Schools near Chaffey District Online High

All 48 schools in Ontario →
Chaffey High
Public · Grades 9–12 · 3,127 students
C2.3 mi
Upland High
Public · Grades 9–12 · 2,797 students
B2.8 mi

School data comes from the U.S. Department of Education: the National Center for Education Statistics (NCES) Common Core of Data and EDGE school locations (2024–25) and Private School Survey (2023–24), the Civil Rights Data Collection (2023–24), and EDFacts (test results 2021–22; graduation and chronic absenteeism 2022–23), plus other public sources. Please contact the school to confirm enrollment, programs, and other details. How we source data.