Enrollment
496
California · 2024-25 NCES data
High school (grades 9-12) · Riverdale, CA
Riverdale High
Federal NCES profile for Riverdale High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 32/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 060004005120
👥 S:T ratio 40
📚 AP courses 45
🌟 Gifted program 30
🎓 Counselors 45
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Riverdale High earns 32/100 on the Resource Investment Index, with class sizes smaller than 89% of California schools. It is also less racially and ethnically mixed than most California schools.
- #3 of 5
- public schools in Riverdale · Resource Index
- 32
- Resource Index · Typical
- 15:1
- small classes for California
- 71.5%
- free-lunch eligible
Riverdale High has class sizes smaller than 89% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Riverdale High ranks #3 of 5 public schools in Riverdale, CA.
School address
District: Riverdale Joint Unified · California
NCES ID 060004005120 Verify on NCES CCD record →
Teachers (FTE)
33.0
Federal CCD staff survey
Students per teacher
15:1
vs 21.5:1 California avg
-30% vs state
Free-lunch eligible
71.5%
vs 55.5% California avg
+29% vs state
Student-teacher ratio in context
How Riverdale High compares with California and U.S. medians
What stands out at Riverdale High
Riverdale High is a higher-need, mid-sized high school in Riverdale, California, enrolling 496 students.
Classes run notably small here: at 15:1, Riverdale High is leaner than roughly 89% of California schools and 30% under the state's 21.5:1 norm, more adult attention per pupil than most peers.
Economic need runs somewhat above the state's typical profile, with 71.5% of students eligible for free meals.
With 496 students, its enrollment sits close to the California median campus size.
Its Resource Investment Index sits near the middle of the pack among 9,998 scored California schools.
Against 2,156 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #702.
Its student body is predominantly Hispanic or Latino (90% of enrollment), among the less diverse in the state (diversity index 19/100).
On the academic-pipeline side it reports 9 Advanced Placement courses.
Counselor coverage runs a bit thin, about 276 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
Chronic absenteeism is elevated: 41.5% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Its district draws 15.9% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Among Riverdale's high schools, it stands alongside Horizon High (7 students): Riverdale High is larger than that campus by headcount.
Riverdale Joint Unified also operates Riverdale Elementary (507 students) and Fipps Primary (394 students) alongside Riverdale 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 Riverdale High compares
Riverdale 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 | 15:1 | ▼ 30% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 71.5% | ▲ 29% | 55.5% | 51.7% |
| Enrollment | 496 | top 46% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
15:1
Leaner classes than 47% of US schools, a middle-of-the-pack class size.
496
Bigger than 61% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
71.5%
free-lunch eligible
- 29% above the California average of 55.5%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
15:1
students per teacher
- 30% below state mean
Top 11% in California - lower ratio than 89% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
41.5%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$16,568
per pupil, district-wide
- above California avg of $16,509
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors1.8 FTE
Per 276 students, the combined health-and-guidance staffing load for this school.
Discipline context
3
in-school suspensions + 24 out-of-school
Suspension rate: 0.6 per 100 students. Combined in-school and out-of-school rate: 5.4 per 100 students. Reported via the Civil Rights Data Collection.
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 89.7%
White 10.1%
Two or More 0.2%
Largest group: Hispanic or Latino at 89.7% of enrollment.
Student-body diversity index 18.5/100
Simpson diversity index - at 18.5, Riverdale High is less mixed than the California school average of 46.0.
Programs
AP courses offered 9
Funding & spending
District-wide per-pupil expenditure for Riverdale Joint Unified, which includes Riverdale High.
$16,568
Per student
+0%
vs California
Avg $16,509
0%
vs U.S.
Avg $16,593
Revenue mix
Local 23.7%
State 60.3%
Federal 15.9%
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 Riverdale High Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Riverdale Elementary | Similar size | Similar economic need | Higher S:T ratio |
| Fipps Primary | Similar size | Similar economic need | Higher S:T ratio |
| Horizon High | Smaller | Similar economic need | No ratio data |
Comparisons are relative to Riverdale High's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 507
- Students per teacher
- 19.5:1
- Resource Index
- 19/100
- Enrollment
- 394
- Students per teacher
- 18.8:1
- Resource Index
- 19/100
- Enrollment
- 7
- Students per teacher
- -
- Resource Index
- 30/100
Similar high schools in Riverdale
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 (~496 students)
Similar student-teacher ratio (~15:1)
Next steps
Verify locally before acting on Riverdale High's federal record.
- Compare Riverdale High against another school. Compare schools
- Riverdale Joint Unified'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 Riverdale High
How many students attend Riverdale High?
Riverdale High has 496 students enrolled. It is a high school in Riverdale, CA.
What is the student-teacher ratio at Riverdale High?
The student-teacher ratio at Riverdale High is 15:1, which is 30% lower than the California average of 21.5:1 and 4% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Riverdale High?
71.5% of students at Riverdale High are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Riverdale High?
The largest demographic group at Riverdale High is Hispanic or Latino at 89.7% of enrollment, in Riverdale, CA.
What is the Resource Investment Index for Riverdale High?
Riverdale High has a Resource Investment Index of 32/100 (typical reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Riverdale High rank among public schools in Riverdale?
By Resource Investment Index, Riverdale High ranks #3 of 5 public schools in Riverdale, 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 Riverdale on the city page.
Is Riverdale High a good school?
Riverdale High earns 32/100 on the Resource Investment Index, with class sizes smaller than 89% of California schools. It is also less racially and ethnically mixed than most California schools. 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 Riverdale Joint Unified?
Besides Riverdale High, Riverdale Joint Unified also operates Riverdale Elementary (507 students), Fipps Primary (394 students), and Horizon High (7 students). See the Riverdale Joint Unified 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.