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Excellent

#802 of 9,539 schools in CA

Top 8% in state

Chaffey District Online High

High School · Chaffey Joint Union High · Ontario, CA

A Chaffey Joint Union High high school where students score 31 points above what's typical for similar communities.

1802 East 7th St., Ontario, CA 91764

  • Math 63% vs CA 32% (2024)
  • Reading 88% vs CA 52% (2024)
  • 90%+ 4-year graduation

Academics

Full Profile · 4/4 metrics
Student Progress10.0Excellent25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data6
Annual Change+4.43 pts/yr
Data Period2015–2024
TrendImproving
Academics9.7Excellent25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency62.5% (2024 CAASPP)
Reading/ELA Proficiency87.5% (2024 CAASPP)
Math vs. State Avg+34.5 pts
Reading vs. State Avg+31.6 pts
Overall Proficiency75% (2024 CAASPP, Math+ELA)
Expected (poverty-adj.)44% (model expectation from 2024 CAASPP)
vs. Expected+30.8 pts
Adjusted Percentile96th
College Readiness9.7Excellent30%
Graduation rates, AP course participation, and IB availability.
View breakdown
4-Year Graduation Rate90%+
IB ProgramNo
Resources & Environment3.3Needs Improvement20%
Student-teacher ratio, district spending per student, and attendance.
View breakdown
Student-Teacher Ratio22.4:1
District spending per student$16,769
Chronic Absenteeism48.2%

Students at Chaffey District Online High score 75% proficient, which is above what's typical for similar communities (expected: 44%).

How we calculate scores →

2024 CAASPP proficiency

Most recent published year. School vs. CA average.

Math Proficiency63%(2024 CAASPP)
School
State
32%(2024 CAASPP)
ELA Proficiency88%(2024 CAASPP)
School
State
52%(2024 CAASPP)

Trend

↑ Improving

Proficiency has improved 25 points since 2017, reaching 75% in 2024, across a 10-year record (2015–2024).

Show all 6 years by subject
2015
Math
25%
ELA
30%
2016
Math
30%
ELA
70%
2017
Math
30%
ELA
70%
2018
Math
30%
ELA
90%
2019
Math
30%
ELA
90%
2024
Math
63%
ELA
88%

Multi-year averages used by the rating model: math 39% (multi-year average, 2015-2024) · reading/ELA 75% (multi-year average, 2015-2024)

Based on 14 test records from CA state assessments and EdFacts (NCES).

Equity & diversity

Shown separately, not included in the overall score

Free/reduced lunch

53.6%

Students qualifying for federal meal assistance

How we rate schools

A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.

See how we rate

The neighborhood

Where Chaffey District Online High sits, and what the surrounding area looks like.

Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries.

Getting around & local context

  • Walk 54Somewhat Walkable
  • Transit 24Minimal Transit
  • Bike 47Somewhat Bikeable
  • City Safety: High2,102/100K

Powered byWalk Score

FBI Uniform Crime Reporting · 2024 · city context (Ontario), not school-level safety or attendance eligibility. Source details

Source period: 2024. Freshness not available.

Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)

Median income

$75,605

Median home value

$524,100

Median rent

$2,039/mo

College educated

18.4%

Homeownership

44.6%

Poverty rate

16.8%

ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 91764; this is area context, not an attendance boundary.

Programs & students

Programs & Offerings

Advanced STEM Courses3of 5 advanced subjects offered
Algebra II, Advanced Math, Calculus, Chemistry, Physics·CRDC via Urban Institute · SY 2021–22
Gifted & Talented ProgramAvailable
This school offers a gifted and talented program for qualifying students.·CRDC via Urban Institute · SY 2021–22

Compare nearby

Nearby same-level schools

4 from a 5-mile search; district fallback available

SchoolScoreGradesDistanceEnrollmentCompare
Chaffey Community DayEnrollment path unverifiedNot rated9–120.0 mi16Compare →
Valley View High (continuation)Enrollment path unverified5.89–120.2 mi335Compare →
Fountain of Truth Christian AcademyPrivate · tuitionNot ratedK–121.0 mi60Compare →
Fountain of Truth Christian AcademyPrivate · tuition5.7privateK–121.0 mi35Compare →

Distance is proximity only; it is not attendance eligibility.

Enrollment path unverified: Potential public school; its attendance or application path has not been classified.

Private · tuition: Potential private option; tuition and admission requirements have not been verified.

Public and private scores come from different models and are shown side by side, not blended into one ranking.

Chaffey Joint Union High

Schools in district
11
Rank in district
#1 of 10
District spending per student
$16,769NCES F-33 · FY 2023 · This annual source is three years behind the current year.
District child poverty rate
12.1%Census SAIPE · 2024

Chaffey District Online High is listed in Chaffey Joint Union High; a district label does not verify attendance for an address.

About Chaffey District Online High

Chaffey District Online High is a public high school in Ontario, CA, part of Chaffey Joint Union High, serving approximately 112 students in grades 9th-12th with a 22.4:1 student-teacher ratio. It holds a MySchoolScout rating of 8.5 out of 10 and ranks #802 of 9,539 schools in CA. State assessment records show 39% math proficiency (multi-year average, 2015-2024) and 75% reading/ELA proficiency (multi-year average, 2015-2024).

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 ranks #802 of 9,539 schools in CA.

What is Chaffey District Online High's MySchoolScout rating?

Chaffey District Online High has a current MySchoolScout rating of 8.5 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.

What are the test scores at Chaffey District Online High?

Based on loaded state assessment records, Chaffey District Online High has 39% math proficiency (multi-year average, 2015-2024) and 75% reading/ELA proficiency (multi-year average, 2015-2024).

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.

School factsNCES Common Core of Data (CCD) (SY 2023–24)

Grades
9th – 12th
Enrollment
112
Student-Teacher Ratio
22.4:1
Teachers (FTE)
5
Type
alternative
Setting
Midsize City
County
San Bernardino County
Chronic Absenteeism (SY 2022-23)
48.2%
4-Year Graduation
90%+
Area population (ZIP 91764)
55,412
Area average commute
31.1 min
Area median age
31.9
About this school's data

Every number on this page comes from a published source with a stated period. Where a source is partial, aging, or describes a surrounding area rather than the school, that limitation is named below.

School directory (enrollment, grades, staff, contact)
NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
  • Source period: SY 2023–24. A newer release may be available.
MySchoolScout rating and rank
MySchoolScout ranking model · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
Math proficiency
State department of education · 2024 CAASPP · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: 2024 CAASPP. A newer release may be available.
  • Derived from source records rather than read directly from one field.
Reading/ELA proficiency
State department of education · 2024 CAASPP · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: 2024 CAASPP. A newer release may be available.
  • Derived from source records rather than read directly from one field.
Student progress (growth)
NCES EdFacts · Mixed source periods · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Available for part of the eligible units; results may not represent the full area.
  • Derived as the fitted year-over-year slope of proficiency from multi-year assessment records.
Neighborhood (income, housing, education)
U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
  • Older source: ACS 2019–2023 5-year estimates. Use as historical context.
  • Reported for the ZCTA for ZIP 91764; this does not measure the attendance area.
Programs (AP/IB, athletics, gifted)
CRDC via Urban Institute · SY 2021–22 · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: SY 2021–22. A newer release may be available.

Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2015-2024; directory SY 2023–24

About our data · How we calculate scores

Related reading

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