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Average

#5040 of 9,533 schools in CA

Rancho Cucamonga High

High School · Chaffey Joint Union High

11801 Lark Dr., Rancho Cucamonga, CA 91701

Enrollment

3,343

Student-Teacher

26.1:1

Score

6.2

Grades

9th – 12th

Updated 2022-23

How this school compares

In Rancho Cucamonga

#3 of 14

public schools

California high schools

#1,056 of 1,892

In district

#7 of 10

Chaffey Joint Union High

Equity

8.2 / 10

Very strong

About Rancho Cucamonga High

Rancho Cucamonga High serves 3,343 students in grades 9-12 in the heart of San Bernardino County's thriving suburban landscape. With 128 full-time equivalent teachers, the school maintains a student-teacher ratio of 26.1:1, typical for a large comprehensive high school. The school demonstrates solid academic performance, earning a MySchoolScout rating of 6.9 out of 10 and ranking in the 71st percentile statewide at #2748 among California's 9,566 schools.

Students show particular strength in English Language Arts, with 73% achieving proficiency or above across grade levels. Mathematics presents more of a challenge, with 38% of students reaching proficiency, indicating an area where the school continues to focus its efforts to support student growth. Located in an affluent community where the median household income reaches $111,745 and home values average $664,100, Rancho Cucamonga High draws from a neighborhood where 36% of adults hold bachelor's degrees or higher.

The low poverty rate of 4.8% reflects the economic stability of the surrounding area. The school sits in Rancho Cucamonga's large suburban setting, serving families in a well-established community known for its family-friendly atmosphere and proximity to both mountain recreation and urban amenities.

What's said publicly about Rancho Cucamonga High

Sources: School's website Wikipedia

Synthesized from public, attributable sources. Updated April 2026.

Rancho Cucamonga High School is a public high school located in Rancho Cucamonga, California, within the Inland Empire region 2 . It is one of nine high schools operated by the Chaffey Joint Union High School District 2 . The school opened in August 1992, initially serving approximately 1,500 students in grades nine through eleven 2 . Currently, the school serves grades nine through twelve with an enrollment of approximately 3,400 students 2 . Students at the school participate in state and national assessments, including the California Assessment of Student Performance and Progress (CAASPP) and the California Science Test (CAST) 1 . Additionally, students enrolled in Advanced Placement (AP) courses take AP exams, which may qualify them for college credit 1 .
Sources (2)
  1. www.cjuhsd.net
  2. en.wikipedia.org
Generated by AI from public sources. Every claim is grounded in a cited source. Report inaccuracy

What Parents Should Know

Rancho Cucamonga High is a large school with 3,343 students enrolled. Larger schools typically offer a wider range of academic programs, electives, and extracurricular activities. Parents may want to ask about how the school maintains a sense of community and ensures students don't get lost in the crowd.

The student-teacher ratio at Rancho Cucamonga High is 26.1:1, 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

Full Profile · 4/4 metrics
Student Progress3.5Fair25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data3
Annual Change-2.28 pts/yr
Data Period2019–2024
TrendDeclining
Academics7.9Very Good25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency38%
Reading/ELA Proficiency73.5%
Math vs. State Avg+10 pts
Reading vs. State Avg+17.6 pts
Overall Proficiency56%
Expected (poverty-adj.)54%
vs. Expected+1.8 pts
Adjusted Percentile69th
College Readiness9.0Exceptional30%
Graduation rates, AP course participation, and IB availability.
View breakdown
AP Participation30.9%
IB ProgramNo
Resources & Environment3.4Fair20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio26.1:1
Per-Pupil Spending$15,468

Rancho Cucamonga High — Students at Rancho Cucamonga High score 56% proficient, which is above what's typical for similar communities (expected: 54%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

37.4%

Students qualifying for federal meal assistance

Test Scores CA CAASPP (2023-24)

Math Proficiency 46.5%
School
State
31.8%
ELA Proficiency 77.5%
School
State
51.5%

Based on 8 test records from CA state assessments. About our data

Proficiency Trend

↓ Declining

Average proficiency (% at or above grade level) across Math & ELA over time.

2019
Math
52%
ELA
81%
2021*
Math
58%
ELA
82%
2024
Math
38%
ELA
73.5%

* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.

Source: EdFacts (NCES) and state assessment data. Growth score: 3.5/10.

How Rancho Cucamonga High Compares

See how Rancho Cucamonga High performs across key quality dimensions compared to state benchmarks.

Overall Score
6.2/10
47th percentile in CA
Academic
7.9/10
7.9/10
Growth
3.5/10
Below average
Environment
3.4/10
Below average

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
37%
Teaching Staff
26:1 student-teacher ratio
128 teachers

Location

11801 Lark Dr., Rancho Cucamonga, CA 91701

Nearby Alternatives

Families considering Rancho Cucamonga High may also want to explore other high schools in the area. John L. Golden Elementary (rated 8.0/10, 1.1 miles away, in nearby Etiwanda), which scores notably higher. Another option is Victoria Groves Elementary (rated 7.8/10, 1.1 miles away, in nearby Alta Loma), which scores notably higher. Additionally, Day Creek Intermediate (rated 7.6/10, 1.7 miles away, in nearby Etiwanda), which scores notably higher. For more schools in Rancho Cucamonga, see our Rancho Cucamonga schools guide .

Nearby Schools

20 within 2.1 mi
School Distance Rating
Carleton P. Lightfoot Elementary Alta Loma 0.4 mi 6.9
Caryn Elementary Alta Loma 0.7 mi 6.1
Windrows Elementary Etiwanda 0.8 mi 5.6
Terra Vista Elementary Rancho Cucamonga 1.0 mi 5.2
Los Osos High Rancho Cucamonga 1.1 mi 7.3
ST MARY'S MONTESSORI SCHOOL Rancho Cucamonga 1.0 mi 7.5
John L. Golden Elementary Etiwanda 1.1 mi 8.0
Victoria Groves Elementary Alta Loma 1.1 mi 7.8
Banyan Elementary Alta Loma 1.4 mi 4.8
Etiwanda Intermediate Etiwanda 1.4 mi 6.2
Grapeland Elementary Etiwanda 1.4 mi 5.8
Day Creek Intermediate Etiwanda 1.7 mi 7.6
Coyote Canyon Elementary Rancho Cucamonga 1.7 mi 5.2
Ruth Musser Middle Rancho Cucamonga 1.7 mi 5.4
SACRED HEART PARISH SCHOOL Rancho Cucamonga 1.9 mi 5.8
MONTESSORI ACADEMY OF ED INC- DBA MONTESSORI ACAD Rancho Cucamonga 1.7 mi
Etiwanda Colony Elementary Etiwanda 1.8 mi 7.4
Perdew Elementary Etiwanda 2.0 mi 4.3
Deer Canyon Elementary Alta Loma 2.0 mi 6.6
Summit Intermediate Etiwanda 2.1 mi 7.1

Neighborhood Census ACS (2019-2023)

Census data for ZIP 91701 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$113,576

Median Home Value

$718,800

Median Rent

$2,232/mo

Population

38,597

College Educated

36.2%

Homeownership

79.2%

Avg Commute

31.8 min

Poverty Rate

4.8%

Median Age

42.1

Community Profile

The community surrounding Rancho Cucamonga High has a median household income of $113,576. It is an area where 36% of adults hold a bachelor's degree or higher. The median home value in the area is $718,800, with a median rent of $2,232/month. The local poverty rate of 4.8% is relatively low. The average commute for residents is 32 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
Ernest Righetti High Santa Maria, CA 6.2
Helix High La Mesa, CA 6.2
Mission Hills High San Marcos, CA 6.2
Phineas Banning Senior High Wilmington, CA 6.2
Turlock High Turlock, CA 6.2
California High San Ramon, CA 6.3

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 is ranked #5040 out of 9,533 schools in CA.

What is Rancho Cucamonga High's MySchoolScout rating?

Rancho Cucamonga High has a composite rating of 6.2 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 Rancho Cucamonga High?

Based on the most recent state assessment data, Rancho Cucamonga High has 46.5% math proficiency and 77.5% reading/ELA proficiency.

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.

11 schools nearby View map →

Neighborhood Context

Walk Score
33 Car-Dependent
Transit Score
19 Minimal Transit
Bike Score
32 Somewhat Bikeable
City Safety
High (2,116/100K)

Powered by Walk Score

FBI UCR 2024. City-level (Rancho Cucamonga). Data >1 year old.

Quick Facts NCES CCD (SY 2022-23)

Grades
9th – 12th
Enrollment
3,343
Student-Teacher Ratio
26.1:1
Teachers (FTE)
128
Free/Reduced Lunch
37.4%
Type
regular
Setting
Large Suburb
County
San Bernardino County
Data Year
2023–2024

District

Chaffey Joint Union High
District Enrollment
22,628
Schools in District
11
Per-Pupil Spending
$16,769
District Rank
#7 of 10

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.

Read our full methodology

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