Enrollment
2,148
California · 2024-25 NCES data
High school (grades 9-12) · Walnut, CA
Walnut High
Federal NCES profile for Walnut High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 61/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 064128006843
👥 S:T ratio 8
📚 AP courses 100
🌟 Gifted program 70
🎓 Counselors 57
📋 Attendance 72
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Walnut High earns 61/100 on the Resource Investment Index, with class sizes near the California median. It is also one of the largest schools in California.
- #2 of 10
- public schools in Walnut · Resource Index
- 61
- Resource Index · Higher
- 23.1:1
- students per teacher
- 23.7%
- free-lunch eligible
Walnut High has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, Walnut High ranks #2 of 10 public schools in Walnut, CA.
School address
District: Walnut Valley Unified · California
NCES ID 064128006843 Verify on NCES CCD record →
Teachers (FTE)
93.0
Federal CCD staff survey
Students per teacher
23.1:1
vs 21.5:1 California avg
+7% vs state
Free-lunch eligible
23.7%
vs 55.5% California avg
-57% vs state
Student-teacher ratio in context
How Walnut High compares with California and U.S. medians
What stands out at Walnut High
Walnut High is a large high school in Walnut, California, enrolling 2,148 students.
Class loads run somewhat heavier than typical: 23.1:1 puts it in the larger third of California schools by student-teacher ratio.
Comparatively few students face economic hardship here, 23.7% free-meal eligibility runs 57% below the California average.
By headcount it is one of the larger campuses in California, bigger than 98% of state schools at 2,148 students.
Its Resource Investment Index outscores 94% of the 9,998 California schools with a score on record, a top-tier result on this measure.
Among 260 similarly sized, similarly resourced-need California schools statewide, it ranks #2, a top-tier result once campus size and economic need are matched.
Its student body is led by Asian (59%) and Hispanic or Latino (31%) (diversity index 55/100).
On the academic-pipeline side it reports 25 Advanced Placement courses.
Counselor coverage is strong, about 215 students per counselor, inside the American School Counselor Association's recommended 250:1.
11.2% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
The surrounding Walnut Valley Unified spends $12,979 per pupil, 21% below the California average, a leaner-resourced district than most.
Among Walnut's high schools, it stands alongside Ron Hockwalt Academies (Continuation) (36 students): Walnut High is larger than that campus by headcount and runs heavier classes (23.1:1 vs 5.1:1).
Walnut Valley Unified also operates Diamond Bar High (2,563 students) and Chaparral Middle (1,349 students) alongside Walnut 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 Walnut High compares
Walnut 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 | 23.1:1 | ▲ 7% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 23.7% | ▼ 57% | 55.5% | 51.7% |
| Enrollment | 2,148 | top 2% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
23.1:1
Leaner classes than 8% of US schools, heavier class loads than most.
2,148
Bigger than 99% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
23.7%
free-lunch eligible
- 57% below the California average of 55.5%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
23.1:1
students per teacher
- 7% above state mean
Top 63% in California - lower ratio than 37% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
11.2%
chronically absent (missed 10%+ of school days)
In the 10-15% range, above the pre-pandemic national baseline but within the broader post-pandemic picture.
Funding equity
$12,979
per pupil, district-wide
- below California avg of $16,509
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors10.0 FTE
Per 215 students, the combined health-and-guidance staffing load for this school.
Discipline context
5
in-school suspensions + 57 out-of-school
Suspension rate: 0.2 per 100 students. Combined in-school and out-of-school rate: 2.9 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
Asian 58.9%
Hispanic or Latino 30.9%
Two or More 4.4%
White 3.7%
African American 1.2%
Native Hawaiian / Pacific Islander 0.8%
American Indian / Alaska Native 0.1%
Largest group: Asian at 58.9% of enrollment.
Student-body diversity index 55.4/100
Simpson diversity index - at 55.4, Walnut High is more mixed than the California school average of 46.0.
Programs
AP courses offered 25
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Walnut Valley Unified, which includes Walnut High.
$12,979
Per student
-21%
vs California
Avg $16,509
-22%
vs U.S.
Avg $16,593
Revenue mix
Local 36.8%
State 54.5%
Federal 8.7%
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 Walnut High Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Diamond Bar High | Similar size | Similar economic need | Higher S:T ratio |
| Chaparral Middle | Smaller | Similar economic need | Higher S:T ratio |
| Suzanne Middle | Smaller | Similar economic need | Higher S:T ratio |
| South Pointe Middle | Smaller | Similar economic need | Higher S:T ratio |
| Evergreen Elementary | Smaller | Similar economic need | Higher S:T ratio |
Comparisons are relative to Walnut High's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,563
- Students per teacher
- 26.7:1
- Resource Index
- 48/100
- Enrollment
- 1,349
- Students per teacher
- 30.7:1
- Resource Index
- 41/100
- Enrollment
- 1,190
- Students per teacher
- 27:1
- Resource Index
- 43/100
- Enrollment
- 979
- Students per teacher
- 27.2:1
- Resource Index
- 47/100
- Enrollment
- 709
- Students per teacher
- 25.3:1
- Resource Index
- 27/100
Similar high schools in Walnut
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 (~2,148 students)
Similar student-teacher ratio (~23.1:1)
Next steps
Verify locally before acting on Walnut High's federal record.
- Compare Walnut High against another school. Compare schools
- Walnut Valley 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 Walnut High
How many students attend Walnut High?
Walnut High has 2,148 students enrolled. It is a high school in Walnut, CA.
What is the student-teacher ratio at Walnut High?
The student-teacher ratio at Walnut High is 23.1:1, which is 7% higher than the California average of 21.5:1 and 47% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Walnut High?
23.7% of students at Walnut High are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Walnut High?
The largest demographic group at Walnut High is Asian at 58.9% of enrollment, in Walnut, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 55.4/100.
What is the Resource Investment Index for Walnut High?
Walnut High has a Resource Investment Index of 61/100 (higher 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 Walnut High rank among public schools in Walnut?
By Resource Investment Index, Walnut High ranks #2 of 10 public schools in Walnut, 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 Walnut on the city page.
Is Walnut High a good school?
Walnut High earns 61/100 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 Walnut Valley Unified?
Besides Walnut High, Walnut Valley Unified also operates Diamond Bar High (2,563 students), Chaparral Middle (1,349 students), and Suzanne Middle (1,190 students). See the Walnut Valley 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.