Enrollment
2,623
California · 2024-25 NCES data
High school (grades 9-12) · Rialto, CA
Rialto High
Federal NCES profile for Rialto High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 44/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 063237001126
👥 S:T ratio 11
📚 AP courses 60
🌟 Gifted program 70
🎓 Counselors 34
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Rialto High earns 44/100 on the Resource Investment Index, with class sizes near the California median. It is also one of the largest schools in California.
- #2 of 4
- high schools in Rialto · Resource Index
- 44
- Resource Index · Typical
- 22.2:1
- students per teacher
- 69.6%
- free-lunch eligible
Rialto High has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, Rialto High ranks #2 of 4 high schools in Rialto, CA.
School address
District: Rialto Unified · California
NCES ID 063237001126 Verify on NCES CCD record →
Teachers (FTE)
118.0
Federal CCD staff survey
Students per teacher
22.2:1
vs 21.5:1 California avg
+3% vs state
Free-lunch eligible
69.6%
vs 55.5% California avg
+25% vs state
Student-teacher ratio in context
How Rialto High compares with California and U.S. medians
What stands out at Rialto High
Rialto High is a higher-need, large high school in Rialto, California, enrolling 2,623 students.
At 22.2:1, its student-teacher ratio sits close to the California median, within a few percentage points of the 21.5:1 state norm, neither notably crowded nor notably small.
Economic need runs somewhat above the state's typical profile, with 69.6% of students eligible for free meals.
By headcount it is one of the larger campuses in California, bigger than 99% of state schools at 2,623 students.
Its Resource Investment Index lands in the upper third of 9,998 scored California schools.
Against 212 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #31.
Its student body is predominantly Hispanic or Latino (91% of enrollment), among the less diverse in the state (diversity index 16/100).
On the academic-pipeline side it reports 12 Advanced Placement courses.
Counselor availability sits well past the ASCA benchmark, roughly 328 students sharing each counselor, though short of the most stretched campuses.
The federal civil-rights collection also records 5 expulsions at this campus for 2021-22.
Among Rialto's high schools, it stands alongside Eisenhower High (2,075 students): Rialto High is larger than that campus by headcount and runs heavier classes (22.2:1 vs 20.8:1).
Rialto Unified also operates Eisenhower High (2,075 students) and Wilmer Amina Carter High (1,951 students) alongside Rialto 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 Rialto High compares
Rialto 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 | 22.2:1 | ▲ 3% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 69.6% | ▲ 25% | 55.5% | 51.7% |
| Enrollment | 2,623 | top 1% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
22.2:1
Leaner classes than 10% of US schools, heavier class loads than most.
2,623
Bigger than 99% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
69.6%
free-lunch eligible
- 25% 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
22.2:1
students per teacher
- 3% above state mean
Top 55% in California - lower ratio than 45% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Funding equity
$15,995
per pupil, district-wide
- below California avg of $16,509
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors8.0 FTE
Per 328 students, the combined health-and-guidance staffing load for this school.
Discipline context
8
in-school suspensions + 226 out-of-school
Suspension rate: 0.3 per 100 students. Combined in-school and out-of-school rate: 8.9 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 91.4%
African American 5.4%
White 1.2%
Asian 1.1%
Two or More 0.6%
American Indian / Alaska Native 0.2%
Largest group: Hispanic or Latino at 91.4% of enrollment.
Student-body diversity index 16.1/100
Simpson diversity index - at 16.1, Rialto High is less mixed than the California school average of 46.0.
Programs
AP courses offered 12
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Rialto Unified, which includes Rialto High.
$15,995
Per student
-3%
vs California
Avg $16,509
-4%
vs U.S.
Avg $16,593
Revenue mix
Local 16.4%
State 72.8%
Federal 10.9%
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 Rialto High Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Eisenhower High | Similar size | Similar economic need | Similar S:T ratio |
| Wilmer Amina Carter High | Smaller | Similar economic need | Similar S:T ratio |
| William G. Jehue Middle | Smaller | Similar economic need | Higher S:T ratio |
| Rialto Middle | Smaller | Similar economic need | Similar S:T ratio |
| Warren F. Frisbie Middle | Smaller | Similar economic need | Higher S:T ratio |
Comparisons are relative to Rialto High's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,075
- Students per teacher
- 20.8:1
- Resource Index
- 32/100
- Enrollment
- 1,951
- Students per teacher
- 21:1
- Resource Index
- 33/100
- Enrollment
- 1,444
- Students per teacher
- 25.8:1
- Resource Index
- 23/100
- Enrollment
- 1,017
- Students per teacher
- 23.1:1
- Resource Index
- 27/100
- Enrollment
- 1,000
- Students per teacher
- 25:1
- Resource Index
- 29/100
Similar high schools in Rialto
3 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 (~2,623 students)
Similar student-teacher ratio (~22.2:1)
Next steps
Verify locally before acting on Rialto High's federal record.
- Compare Rialto High against another school. Compare schools
- Rialto 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 Rialto High
How many students attend Rialto High?
Rialto High has 2,623 students enrolled. It is a high school in Rialto, CA.
What is the student-teacher ratio at Rialto High?
The student-teacher ratio at Rialto High is 22.2:1, which is 3% higher than the California average of 21.5:1 and 41% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Rialto High?
69.6% of students at Rialto High are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Rialto High?
The largest demographic group at Rialto High is Hispanic or Latino at 91.4% of enrollment, in Rialto, CA.
What is the Resource Investment Index for Rialto High?
Rialto High has a Resource Investment Index of 44/100 (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 Rialto High rank among high schools in Rialto?
By Resource Investment Index, Rialto High ranks #2 of 4 high schools in Rialto, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in Rialto on the city page.
Is Rialto High a good school?
Rialto High earns 44/100 on the Resource Investment Index, with class sizes near the California median. 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 Rialto Unified?
Besides Rialto High, Rialto Unified also operates Eisenhower High (2,075 students), Wilmer Amina Carter High (1,951 students), and William G. Jehue Middle (1,444 students). See the Rialto 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.