Enrollment
3,221
California · 2024-25 NCES data
High school (grades 9-12) · Rancho Cucamonga, CA
Rancho Cucamonga High
Federal NCES profile for Rancho Cucamonga High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 43/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 060816001122
👥 S:T ratio 2
📚 AP courses 80
🌟 Gifted program 70
🎓 Counselors 19
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Rancho Cucamonga High earns 43/100 on the Resource Investment Index, with class sizes larger than 75% of California schools. It is also one of the largest schools in California.
- #6 of 13
- public schools in Rancho Cucamonga · Resource Index
- 43
- Resource Index · Typical
- 24.4:1
- large classes for California
- 28.0%
- free-lunch eligible
Rancho Cucamonga High has class sizes larger than 75% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Rancho Cucamonga High ranks #6 of 13 public schools in Rancho Cucamonga, CA.
School address
District: Chaffey Joint Union High · California
NCES ID 060816001122 Verify on NCES CCD record →
Teachers (FTE)
132.0
Federal CCD staff survey
Students per teacher
24.4:1
vs 21.5:1 California avg
+13% vs state
Free-lunch eligible
28.0%
vs 55.5% California avg
-50% vs state
Student-teacher ratio in context
How Rancho Cucamonga High compares with California and U.S. medians
What stands out at Rancho Cucamonga High
Rancho Cucamonga High is a large high school in Rancho Cucamonga, California, enrolling 3,221 students.
Class loads run somewhat heavier than typical: 24.4:1 puts it in the larger third of California schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 28.0% of students eligible for free meals.
By headcount it is one of the larger campuses in California, bigger than 99% of state schools at 3,221 students.
Its Resource Investment Index sits near the middle of the pack among 9,998 scored California schools.
Against 148 statewide peers matched on enrollment and economic need, it ranks mid-pack at #86.
Its student body is led by Hispanic or Latino (43%) and White (20%), more mixed than most schools in the state (diversity index 73/100).
On the academic-pipeline side it reports 16 Advanced Placement courses.
Counselor access is stretched at roughly 403 students per counselor, well above the ASCA-recommended 250:1 ceiling.
The federal civil-rights collection also records 5 expulsions at this campus for 2021-22.
Among Rancho Cucamonga's high schools, it stands alongside Los Osos High (2,759 students): Rancho Cucamonga High is larger than that campus by headcount and runs heavier classes (24.4:1 vs 24.2:1).
Chaffey Joint Union High also operates Etiwanda High (3,446 students) and Chaffey High (3,127 students) alongside Rancho Cucamonga High.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Rancho Cucamonga High compares
Rancho Cucamonga High on the metrics families compare, against California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 24.4:1 | ▲ 13% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 28.0% | ▼ 50% | 55.5% | 51.7% |
| Enrollment | 3,221 | top 1% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
24.4:1
Leaner classes than 6% of US schools, heavier class loads than most.
3,221
Bigger than 99% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
28.0%
free-lunch eligible
- 50% below the California average of 55.5%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
24.4:1
students per teacher
- 13% above state mean
Top 75% in California - lower ratio than 25% of state schools
Well above 20:1, one of the more stretched staffing loads nationally relative to enrollment.
Funding equity
$15,404
per pupil, district-wide
- below California avg of $16,509
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors8.0 FTE
Per 403 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 195 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 6.1 per 100 students. Reported via the Civil Rights Data Collection. Includes 5 expulsions.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
Hispanic or Latino 43.1%
White 19.8%
Asian 16.0%
African American 13.7%
Two or More 6.5%
Native Hawaiian / Pacific Islander 0.6%
American Indian / Alaska Native 0.3%
Largest group: Hispanic or Latino at 43.1% of enrollment.
Student-body diversity index 72.6/100
Simpson diversity index - at 72.6, Rancho Cucamonga High is more mixed than the California school average of 46.0.
Programs
AP courses offered 16
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Chaffey Joint Union High, which includes Rancho Cucamonga High.
$15,404
Per student
-7%
vs California
Avg $16,509
-7%
vs U.S.
Avg $16,593
Revenue mix
Local 35.9%
State 52.9%
Federal 11.2%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Rancho Cucamonga High Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Etiwanda High | Similar size | Similar economic need | Similar S:T ratio |
| Chaffey High | Similar size | Higher economic need | Lower S:T ratio |
| Los Osos High | Similar size | Similar economic need | Similar S:T ratio |
| Montclair High | Similar size | Higher economic need | Lower S:T ratio |
| Alta Loma High | Smaller | Higher economic need | Similar S:T ratio |
Comparisons are relative to Rancho Cucamonga High's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 3,446
- Students per teacher
- 24.6:1
- Resource Index
- 28/100
- Enrollment
- 3,127
- Students per teacher
- 22.8:1
- Resource Index
- 30/100
- Enrollment
- 2,759
- Students per teacher
- 24.2:1
- Resource Index
- 28/100
- Enrollment
- 2,515
- Students per teacher
- 22.5:1
- Resource Index
- 36/100
- Enrollment
- 2,386
- Students per teacher
- 24.6:1
- Resource Index
- 23/100
Similar high schools in Rancho Cucamonga
1 comparable high schools (grades 9-12) serving the same city.
Similar high schools statewide
Matched by enrollment size and by staffing ratio across all of California, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~3,221 students)
Similar student-teacher ratio (~24.4:1)
Next steps
Verify locally before acting on Rancho Cucamonga High's federal record.
- Compare Rancho Cucamonga High against another school. Compare schools
- Chaffey Joint Union High's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about Rancho Cucamonga High
How many students attend Rancho Cucamonga High?
Rancho Cucamonga High has 3,221 students enrolled. It is a high school in Rancho Cucamonga, CA.
What is the student-teacher ratio at Rancho Cucamonga High?
The student-teacher ratio at Rancho Cucamonga High is 24.4:1, which is 13% higher than the California average of 21.5:1 and 55% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Rancho Cucamonga High?
28.0% of students at Rancho Cucamonga High are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Rancho Cucamonga High?
The largest demographic group at Rancho Cucamonga High is Hispanic or Latino at 43.1% of enrollment, in Rancho Cucamonga, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 72.6/100.
What is the Resource Investment Index for Rancho Cucamonga High?
Rancho Cucamonga High has a Resource Investment Index of 43/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, AP course offerings, counselor availability. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Rancho Cucamonga High rank among public schools in Rancho Cucamonga?
By Resource Investment Index, Rancho Cucamonga High ranks #6 of 13 public schools in Rancho Cucamonga, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Rancho Cucamonga on the city page.
Is Rancho Cucamonga High a good school?
Rancho Cucamonga High earns 43/100 on the Resource Investment Index, with class sizes larger than 75% of California schools. It is also one of the largest schools in California. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in Chaffey Joint Union High?
Besides Rancho Cucamonga High, Chaffey Joint Union High also operates Etiwanda High (3,446 students), Chaffey High (3,127 students), and Los Osos High (2,759 students). See the Chaffey Joint Union High district page for the complete list.
Related tools
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.