Excellent
#1160 of 9,533 schools in CA
Top 12% in state
Chaffey District Online High
High School · Chaffey Joint Union High
1802 East 7th St., Ontario, CA 91764
Enrollment
112
Student-Teacher
22.4:1
Score
8.1
Grades
9th – 12th
Enrollment
112
Student-Teacher
22.4:1
Score
8.1
Grades
9th – 12th
Updated
2022-23
Updated 2022-23
How this school compares
In Ontario
#6 of 37
public schools
California high schools
#191 of 1,892
In district
#1 of 10
Chaffey Joint Union High
Academic growth
9.9 / 10
Exceptional
About Chaffey District Online High
Chaffey District Online High serves 112 students in grades 9-12 as an alternative high school in Ontario, California. With just 5 full-time equivalent teachers, this small online school maintains a student-teacher ratio of 22.4:1, offering a personalized educational environment for students seeking flexible learning options. The school demonstrates impressive academic performance, earning a MySchoolScout rating of 8.7 out of 10 and ranking #363 out of 9,566 California high schools, placing it in the 96th percentile statewide.
Students excel particularly in English Language Arts, with 88% achieving proficiency or above across grade levels. In mathematics, 62% of students demonstrate proficiency or above, showing solid foundational skills in this critical subject area. Located on East 7th Street in Ontario, the school serves families in the 91764 ZIP code area, where the median household income is $71,336 and median home value reaches $475,300.
The surrounding community has a 15.8% poverty rate, with 16% of residents holding bachelor's degrees or higher among the ZIP's 55,311 residents. This alternative high school provides an effective online learning environment for students who benefit from non-traditional educational delivery methods, situated in San Bernardino County's mid-size city of Ontario.
What Parents Should Know
With an enrollment of 112 students, Chaffey District Online High is a smaller school where families often find a close-knit community atmosphere. Smaller settings can mean more individual attention from teachers and staff, though they may offer fewer extracurricular options than larger schools.
The student-teacher ratio at Chaffey District Online High is 22.4:1, which is higher than the national average. This may mean larger class sizes, so parents should ask about classroom support, teaching assistants, and how the school differentiates instruction for students who need extra help.
Score Breakdown
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Chaffey District Online High — Students at Chaffey District Online High score 75% proficient, which is above what's typical for similar communities (expected: 45%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
53.6%
Students qualifying for federal meal assistance
Test Scores CA CAASPP (2023-24)
Based on 6 test records from CA state assessments. About our data
Proficiency Trend
↑ ImprovingAverage proficiency (% at or above grade level) across Math & ELA over time.
Source: EdFacts (NCES) and state assessment data. Growth score: 9.9/10.
How Chaffey District Online High Compares
See how Chaffey District Online High performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has improved from 30% (2019) to 62.5% (2024). Reading/ELA proficiency has declined from 90% (2019) to 87.5% (2024).
Location
1802 East 7th St., Ontario, CA 91764
Nearby Alternatives
Families considering Chaffey District Online High may also want to explore other high schools in the area. Corona Elementary (rated 8.6/10, 0.6 miles away), which scores slightly higher. Another option is Berlyn Elementary (rated 8.2/10, 1.4 miles away), with a very similar rating. Additionally, Mariposa Elementary (rated 8.0/10, 1.4 miles away), with a very similar rating. For more schools in Ontario, see our Ontario schools guide .
Nearby Schools
20 within 1.9 mi| School | Distance | Rating |
|---|---|---|
| Chaffey Community Day Ontario | 0.0 mi | — |
| Arroyo Elementary Ontario | 0.1 mi | 6.2 |
| Valley View High (Continuation) Ontario | 0.2 mi | 6.0 |
| SAN ANTONIO CHRISTIAN SCHOOL Ontario | 0.3 mi | 6.5 |
| Corona Elementary Ontario | 0.6 mi | 8.6 |
| Vineyard Elementary Ontario | 0.6 mi | 5.2 |
| Los Amigos Elementary Rancho Cucamonga | 0.7 mi | 4.7 |
| Fountain of Truth Christian Academy Rancho Cucamonga | 1.0 mi | — |
| FOUNTAIN OF TRUTH CHRISTIAN ACADEMY Rancho Cucamonga | 1.0 mi | 5.7 |
| Bear Gulch Elementary Rancho Cucamonga | 1.1 mi | 3.8 |
| Del Norte Elementary Ontario | 1.1 mi | 5.4 |
| MONTESSORI SCHOOL HOUSE Rancho Cucamonga | 1.1 mi | 7.1 |
| Ray Wiltsey Middle Ontario | 1.3 mi | 7.1 |
| Mariposa Elementary Ontario | 1.4 mi | 8.0 |
| Fröhlich International Preparatory Academy Rancho Cucamonga | 1.2 mi | — |
| Cucamonga Elementary Rancho Cucamonga | 1.4 mi | 4.8 |
| Berlyn Elementary Ontario | 1.4 mi | 8.2 |
| Valle Vista Elementary Rancho Cucamonga | 1.9 mi | 7.2 |
| Rancho Cucamonga Middle Rancho Cucamonga | 1.6 mi | 5.0 |
| Central Elementary Rancho Cucamonga | 1.9 mi | 5.9 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 91764 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$75,605
Median Home Value
$524,100
Median Rent
$2,039/mo
Population
55,412
College Educated
18.4%
Homeownership
44.6%
Avg Commute
31.1 min
Poverty Rate
16.8%
Median Age
31.9
Community Profile
The community surrounding Chaffey District Online High has a median household income of $75,605. It is a community where 18% of adults hold a bachelor's degree or higher. The median home value in the area is $524,100, with a median rent of $2,039/month. The area has a poverty rate of 16.8%. The average commute for residents is 31 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| FUSION ACADEMY - PASADENA Los Angeles, CA | 8.1 |
| AMERICAN UNIFIED SCHOOL OF TECHNOLOGY Encino, CA | 8.2 |
| Diamond Technology Institute Watsonville, CA | 8.0 |
| FUSION ACADEMY LOS GATOS Los Gatos, CA | 8.0 |
| Jordan Secondary Learning Center Garden Grove, CA | 8.0 |
| Shasta Collegiate Academy Redding, CA | 8.0 |
Frequently Asked Questions
Common questions about Chaffey District Online High
What grades does Chaffey District Online High serve?
Chaffey District Online High serves students in grades 9th through 12th.
How many students attend Chaffey District Online High?
Chaffey District Online High has an enrollment of approximately 112 students.
What is the student-teacher ratio at Chaffey District Online High?
The student-teacher ratio at Chaffey District Online High is 22.4:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Chaffey District Online High rank in CA?
Chaffey District Online High is ranked #1160 out of 9,533 schools in CA.
What is Chaffey District Online High's MySchoolScout rating?
Chaffey District Online High has a composite rating of 8.1 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
What are the test scores at Chaffey District Online High?
Based on the most recent state assessment data, Chaffey District Online High has 51.7% math proficiency and 88.3% reading/ELA proficiency.
Is Chaffey District Online High a charter school?
No, Chaffey District Online High is not a charter school. It is a traditional public school operated by the local school district.
Is Chaffey District Online High a Title I school?
No, Chaffey District Online High is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Chaffey District Online High?
53.6% of students at Chaffey District Online High qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Explore More Schools
Neighborhood Context
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 9th – 12th
- Enrollment
- 112
- Student-Teacher Ratio
- 22.4:1
- Teachers (FTE)
- 5
- Free/Reduced Lunch
- 53.6%
- Type
- alternative
- Setting
- Midsize City
- County
- San Bernardino County
- Phone
- (909) 985-0966
- Data Year
- 2023–2024
Resources & Links
District
Chaffey Joint Union High- District Enrollment
- 22,628
- Schools in District
- 11
- Per-Pupil Spending
- $16,769
- District Rank
- #1 of 10
Other Schools in This District
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
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