Very Good
#2891 of 9,539 schools in CA
Top 30% in state
Rancho Cucamonga High
High School · Chaffey Joint Union High · Rancho Cucamonga, CA
A Chaffey Joint Union High high school serving grades 9th – 12th.
11801 Lark Dr., Rancho Cucamonga, CA 91701
- Math 38% vs CA 32% (2024)
- Reading 74% vs CA 52% (2024)
- 96.0% 4-year graduation
Academics
Full Profile · 4/4 metricsView breakdown
View breakdown
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Students at Rancho Cucamonga High score 56% proficient, which is above what's typical for similar communities (expected: 53%).
2024 CAASPP proficiency
Most recent published year. School vs. CA average.
Trend
↓ DecliningProficiency has fallen 11 points since 2019, to 56% in 2024, across a 16-year record (2009–2024).
Show all 14 years
Multi-year averages used by the rating model: math 55% (multi-year average, 2009-2024) · reading/ELA 77% (multi-year average, 2009-2024)
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Based on 30 test records from CA state assessments and EdFacts (NCES).
Equity & diversity
Shown separately, not included in the overall scoreFree/reduced lunch
37.4%
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 rateThe neighborhood
Where Rancho Cucamonga 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 33Car-Dependent
- Transit 19Minimal Transit
- Bike 32Somewhat Bikeable
- City Safety: High2,116/100K
Powered by
FBI Uniform Crime Reporting · 2024 · city context (Rancho Cucamonga), 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
$113,576
Median home value
$718,800
Median rent
$2,232/mo
College educated
36.2%
Homeownership
79.2%
Poverty rate
4.8%
ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 91701; this is area context, not an attendance boundary.
Programs & students
Programs & Offerings
Compare nearby
Nearby same-level schools
4 from a 5-mile search; district fallback available
| School | Score | Grades | Distance | Enrollment | Compare |
|---|---|---|---|---|---|
| Los Osos HighEnrollment path unverified | 7.7 | 9–12 | 1.1 mi | 2,759 | Compare → |
| Etiwanda HighEnrollment path unverified | 7.0 | 9–12 | 2.1 mi | 3,540 | Compare → |
| United Christian AcademyPrivate · tuition | Not rated | K–12 | 2.4 mi | 925 | Compare → |
| United Christian AcademyPrivate · tuition | 6.5private | K–12 | 2.4 mi | 755 | Compare → |
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
- #4 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
Rancho Cucamonga High is listed in Chaffey Joint Union High; a district label does not verify attendance for an address.
About Rancho Cucamonga High
Rancho Cucamonga High is a public high school in Rancho Cucamonga, CA, part of Chaffey Joint Union High, serving approximately 3,343 students in grades 9th-12th with a 26.1:1 student-teacher ratio. It holds a MySchoolScout rating of 7.3 out of 10 and ranks #2,891 of 9,539 schools in CA. State assessment records show 55% math proficiency (multi-year average, 2009-2024) and 77% reading/ELA proficiency (multi-year average, 2009-2024).
What's said publicly about Rancho Cucamonga High
Synthesized from public, attributable sources. Updated April 2026.
Sources (2)
Frequently asked questions
Common questions about Rancho Cucamonga High
What grades does Rancho Cucamonga High serve?
Rancho Cucamonga High serves students in grades 9th through 12th.
How many students attend Rancho Cucamonga High?
Rancho Cucamonga High has an enrollment of approximately 3,343 students.
What is the student-teacher ratio at Rancho Cucamonga High?
The student-teacher ratio at Rancho Cucamonga High is 26.1:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Rancho Cucamonga High rank in CA?
Rancho Cucamonga High ranks #2,891 of 9,539 schools in CA.
What is Rancho Cucamonga High's MySchoolScout rating?
Rancho Cucamonga High has a current MySchoolScout rating of 7.3 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 Rancho Cucamonga High?
Based on loaded state assessment records, Rancho Cucamonga High has 55% math proficiency (multi-year average, 2009-2024) and 77% reading/ELA proficiency (multi-year average, 2009-2024).
Is Rancho Cucamonga High a charter school?
No, Rancho Cucamonga High is not a charter school. It is a traditional public school operated by the local school district.
Is Rancho Cucamonga High a Title I school?
No, Rancho Cucamonga High is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Rancho Cucamonga High?
37.4% of students at Rancho Cucamonga 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
- 3,343
- Student-Teacher Ratio
- 26.1:1
- Teachers (FTE)
- 128
- Type
- regular
- Setting
- Large Suburb
- County
- San Bernardino County
- Chronic Absenteeism (SY 2022-23)
- 24.7%
- Phone
- (909) 989-1600
- 4-Year Graduation
- 96.0%
- Area population (ZIP 91701)
- 38,597
- Area average commute
- 31.8 min
- Area median age
- 42.1
Official sources & links
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 91701; 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, 2009-2024; directory SY 2023–24
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