Enrollment
1,434
California · 2024-25 NCES data
High school (grades 9-12) · Santa Rosa, CA
Federal NCES profile for Piner High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 39/100.
The verdict
Piner High earns 39/100 on the Resource Investment Index, with class sizes near the California median.
Piner High has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, Piner High ranks #6 of 6 high schools in Santa Rosa, CA.
NCES ID 063583006128 Verify on NCES CCD record →
Enrollment
1,434
California · 2024-25 NCES data
Teachers (FTE)
67.0
Federal CCD staff survey
Students per teacher
21.4:1
vs 21.5:1 California avg
-0% vs state
Free-lunch eligible
45.0%
vs 55.5% California avg
-19% vs state
How Piner High compares with California and U.S. medians
At or below state median
21.4:1 - 0.1 below the California state median of 21.5:1, indicating smaller average class loads than typical schools in the state.
Piner High is a large high school in Santa Rosa, California, enrolling 1,434 students.
At 21.4:1, 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 below the state's typical profile, with 45.0% of students eligible for free meals.
By headcount it is one of the larger campuses in California, bigger than 93% of state schools at 1,434 students.
Its Resource Investment Index lands in the upper third of 9,998 scored California schools.
Against 439 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #69.
Its student body is led by Hispanic or Latino (75%) and White (11%) (diversity index 42/100).
On the academic-pipeline side it reports 8 Advanced Placement courses.
Counselor coverage is strong, about 151 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 43.2% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The federal civil-rights collection also records 1 expulsion at this campus for 2021-22.
Among Santa Rosa's high schools, it stands alongside Maria Carrillo High (1,584 students): Piner High is smaller than that campus by headcount and runs leaner classes (21.4:1 vs 23.3:1).
Santa Rosa High also operates Maria Carrillo High (1,584 students) and Santa Rosa High (1,553 students) alongside Piner 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
Piner 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 | 21.4:1 | ▼ 0% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 45.0% | ▼ 19% | 55.5% | 51.7% |
| Enrollment | 1,434 | top 7% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
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.
Largest group: Hispanic or Latino at 75.3% of enrollment.
Simpson diversity index - at 41.5, Piner High is less mixed than the California school average of 46.0.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Maria Carrillo High | Similar size | Lower economic need | Higher S:T ratio |
| Santa Rosa High | Similar size | Lower economic need | Lower S:T ratio |
| Montgomery High | Similar size | Lower economic need | Lower S:T ratio |
| Elsie Allen High | Smaller | Similar economic need | Lower S:T ratio |
| Rincon Valley Middle | Smaller | Lower economic need | Similar S:T ratio |
Comparisons are relative to Piner High's own figures; each column derives from NCES Common Core of Data.
5 comparable high schools (grades 9-12) serving the same city.
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.
Next steps
Verify locally before acting on Piner High's federal record.
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.
Piner High has 1,434 students enrolled. It is a high school in Santa Rosa, CA.
The student-teacher ratio at Piner High is 21.4:1, which is 0% lower than the California average of 21.5:1 and 36% higher than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
45.0% of students at Piner High are eligible for free lunch, compared to the California average of 55.5%.
The largest demographic group at Piner High is Hispanic or Latino at 75.3% of enrollment, in Santa Rosa, CA.
Piner High has a Resource Investment Index of 39/100 (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).
By Resource Investment Index, Piner High ranks #6 of 6 high schools in Santa Rosa, 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 Santa Rosa on the city page.
Piner High earns 39/100 on the Resource Investment Index, with class sizes near the California median. 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.
Besides Piner High, Santa Rosa High also operates Maria Carrillo High (1,584 students), Santa Rosa High (1,553 students), and Montgomery High (1,253 students). See the Santa Rosa High district page for the complete list.
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.
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PlainSchools, “Piner High, Santa Rosa CA.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of June 2026. https://plainschools.com/schools/piner-high-ca
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