Enrollment
2,373
California · 2024-25 NCES data
High school (grades 9-12) · Concord, CA
Clayton Valley Charter High
Federal NCES profile for Clayton Valley Charter High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 46/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 060234203940Charter school
👥 S:T ratio 0
📚 AP courses 100
🌟 Gifted program 30
🎓 Counselors 32
📋 Attendance 67
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Clayton Valley Charter High earns 46/100 on the Resource Investment Index, with class sizes larger than 81% of California schools. It is also one of the largest schools in California.
- #2 of 5
- high schools in Concord · Resource Index
- 46
- Resource Index · Typical
- 25.2:1
- large classes for California
- 18.7%
- free-lunch eligible
Clayton Valley Charter High has class sizes larger than 81% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Clayton Valley Charter High ranks #2 of 5 high schools in Concord, CA.
School address
District: Clayton Valley Charter High District · California
NCES ID 060234203940 Verify on NCES CCD record →
Teachers (FTE)
94.0
Federal CCD staff survey
Students per teacher
25.2:1
vs 21.5:1 California avg
+17% vs state
Free-lunch eligible
18.7%
vs 55.5% California avg
-66% vs state
Student-teacher ratio in context
How Clayton Valley Charter High compares with California and U.S. medians
What stands out at Clayton Valley Charter High
Clayton Valley Charter High is a lower-poverty, large charter high school in Concord, California, enrolling 2,373 students.
Class loads run somewhat heavier than typical: 25.2:1 puts it in the larger third of California schools by student-teacher ratio.
Comparatively few students face economic hardship here, 18.7% free-meal eligibility runs 66% below the California average.
By headcount it is one of the larger campuses in California, bigger than 98% of state schools at 2,373 students.
Its Resource Investment Index sits near the middle of the pack among 9,998 scored California schools.
Against 230 statewide peers matched on enrollment and economic need, it ranks mid-pack at #135.
Its student body is led by Two or More (37%) and Hispanic or Latino (29%), more mixed than most schools in the state (diversity index 73/100).
On the academic-pipeline side it reports 20 Advanced Placement courses.
Counselor availability sits well past the ASCA benchmark, roughly 339 students sharing each counselor, though short of the most stretched campuses.
13.1% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
The surrounding Clayton Valley Charter High District spends $12,585 per pupil, 24% below the California average, a leaner-resourced district than most.
Among Concord's high schools, it stands alongside Mt. Diablo High (1,397 students): Clayton Valley Charter High is larger than that campus by headcount and runs heavier classes (25.2:1 vs 17.7:1).
Clayton Valley Charter High District is a single-school charter district, so Clayton Valley Charter High operates independently rather than alongside district-mates. At 2,373 students, it is also among the largest single-school districts in California, well beyond the enrollment of a typical standalone charter.
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 Clayton Valley Charter High compares
Clayton Valley Charter 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 | 25.2:1 | ▲ 17% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 18.7% | ▼ 66% | 55.5% | 51.7% |
| Enrollment | 2,373 | top 2% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
25.2:1
Leaner classes than 5% of US schools, heavier class loads than most.
2,373
Bigger than 99% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
18.7%
free-lunch eligible
- 66% 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
25.2:1
students per teacher
- 17% above state mean
Top 81% in California - lower ratio than 19% of state schools
Well above 20:1, one of the more stretched staffing loads nationally relative to enrollment.
Engagement
13.1%
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
$12,585
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
Counselors7.0 FTE
Per 339 students, the combined health-and-guidance staffing load for this school.
Discipline context
6
in-school suspensions + 17 out-of-school
Suspension rate: 0.3 per 100 students. Combined in-school and out-of-school rate: 1.0 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
Two or More 36.7%
Hispanic or Latino 29.3%
White 20.1%
Asian 10.9%
African American 2.9%
Native Hawaiian / Pacific Islander 0.2%
Largest group: Two or More at 36.7% of enrollment.
Student-body diversity index 72.6/100
Simpson diversity index - at 72.6, Clayton Valley Charter High is more mixed than the California school average of 46.0.
Programs
AP courses offered 20
Funding & spending
District-wide per-pupil expenditure for Clayton Valley Charter High District, which includes Clayton Valley Charter High.
$12,585
Per student
-24%
vs California
Avg $16,509
-24%
vs U.S.
Avg $16,593
Revenue mix
Local 44.9%
State 52.3%
Federal 2.8%
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.
Similar high schools in Concord
4 comparable high schools (grades 9-12) serving the same city.
Mt. Diablo High
Standard public school
1,397 students 17.7:1 students per teacher
Concord High
Standard public school
1,137 students 18.6:1 students per teacher
Ygnacio Valley High
Standard public school
1,059 students 17.4:1 students per teacher
Olympic Continuation High
Alternative education program
233 students 12.9:1 students per teacher
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 (~2,373 students)
Next steps
Verify locally before acting on Clayton Valley Charter High's federal record.
- Compare Clayton Valley Charter High against another school. Compare schools
- Clayton Valley Charter High District'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 Clayton Valley Charter High
How many students attend Clayton Valley Charter High?
Clayton Valley Charter High has 2,373 students enrolled. It is a high school in Concord, CA.
What is the student-teacher ratio at Clayton Valley Charter High?
The student-teacher ratio at Clayton Valley Charter High is 25.2:1, which is 17% higher than the California average of 21.5:1 and 61% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Clayton Valley Charter High?
18.7% of students at Clayton Valley Charter High are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Clayton Valley Charter High?
The largest demographic group at Clayton Valley Charter High is Two or More at 36.7% of enrollment, in Concord, 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 Clayton Valley Charter High?
Clayton Valley Charter High has a Resource Investment Index of 46/100 (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 Clayton Valley Charter High rank among high schools in Concord?
By Resource Investment Index, Clayton Valley Charter High ranks #2 of 5 high schools in Concord, 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 Concord on the city page.
Is Clayton Valley Charter High a good school?
Clayton Valley Charter High earns 46/100 on the Resource Investment Index, with class sizes larger than 81% 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 Clayton Valley Charter High District?
None; Clayton Valley Charter High District is a single-school charter district, and Clayton Valley Charter High is its only campus.
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.