Enrollment
1,186
California · 2024-25 NCES data
High school (grades 9-12) · Fresno, CA
Federal NCES profile for Erma Duncan Polytechnical High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 38/100.
The verdict
Erma Duncan Polytechnical High earns 38/100 on the Resource Investment Index, with class sizes near the California median.
Erma Duncan Polytechnical High has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, Erma Duncan Polytechnical High ranks #22 of 25 high schools in Fresno, CA.
NCES ID 061455008841 Verify on NCES CCD record →
Enrollment
1,186
California · 2024-25 NCES data
Teachers (FTE)
60.0
Federal CCD staff survey
Students per teacher
19.8:1
vs 21.5:1 California avg
-8% vs state
Free-lunch eligible
65.0%
vs 55.5% California avg
+17% vs state
How Erma Duncan Polytechnical High compares with California and U.S. medians
At or below state median
19.8:1 - 1.7 below the California state median of 21.5:1, indicating smaller average class loads than typical schools in the state.
Erma Duncan Polytechnical High is a higher-need, large high school in Fresno, California, enrolling 1,186 students.
Class sizes run a bit leaner than typical: 19.8:1 puts it in the smaller third of California schools by student-teacher ratio.
Its free-meal eligibility rate of 65.0% lands close to the California typical range, neither a high- nor low-need campus by this measure.
By headcount it is one of the larger campuses in California, bigger than 91% of state schools at 1,186 students.
Its Resource Investment Index sits near the middle of the pack among 9,998 scored California schools.
Against 656 statewide peers matched on enrollment and economic need, it ranks mid-pack at #268.
Its student body is led by Hispanic or Latino (80%) and Asian (11%) (diversity index 35/100).
On the academic-pipeline side it reports 15 Advanced Placement courses.
Counselor coverage is strong, about 237 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 36.1% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Its district draws 21.2% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
The federal civil-rights collection also records 1 expulsion at this campus for 2021-22.
Among Fresno's high schools, it stands alongside Sunnyside High (2,858 students): Erma Duncan Polytechnical High is smaller than that campus by headcount and runs leaner classes (19.8:1 vs 21.8:1).
Fresno Unified also operates Sunnyside High (2,858 students) and Bullard High (2,485 students) alongside Erma Duncan Polytechnical 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
Erma Duncan Polytechnical 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 | 19.8:1 | ▼ 8% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 65.0% | ▲ 17% | 55.5% | 51.7% |
| Enrollment | 1,186 | top 9% | - | - |
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 79.9% of enrollment.
Simpson diversity index - at 34.6, Erma Duncan Polytechnical High is less mixed than the California school average of 46.0.
District-wide per-pupil expenditure for Fresno Unified, which includes Erma Duncan Polytechnical High.
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.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Sunnyside High | Larger | Similar economic need | Higher S:T ratio |
| Bullard High | Larger | Lower economic need | Higher S:T ratio |
| Edison High | Larger | Similar economic need | Higher S:T ratio |
| Roosevelt High | Larger | Similar economic need | Similar S:T ratio |
| Mclane High | Larger | Similar economic need | Higher S:T ratio |
Comparisons are relative to Erma Duncan Polytechnical High's own figures; each column derives from NCES Common Core of Data.
6 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 Erma Duncan Polytechnical 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.
Erma Duncan Polytechnical High has 1,186 students enrolled. It is a high school in Fresno, CA.
The student-teacher ratio at Erma Duncan Polytechnical High is 19.8:1, which is 8% lower than the California average of 21.5:1 and 26% higher than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
65.0% of students at Erma Duncan Polytechnical High are eligible for free lunch, compared to the California average of 55.5%.
The largest demographic group at Erma Duncan Polytechnical High is Hispanic or Latino at 79.9% of enrollment, in Fresno, CA.
Erma Duncan Polytechnical High has a Resource Investment Index of 38/100 (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, Erma Duncan Polytechnical High ranks #22 of 25 high schools in Fresno, 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 Fresno on the city page.
Erma Duncan Polytechnical High earns 38/100 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 Erma Duncan Polytechnical High, Fresno Unified also operates Sunnyside High (2,858 students), Bullard High (2,485 students), and Edison High (2,339 students). See the Fresno Unified 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, “Erma Duncan Polytechnical High, Fresno 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/erma-duncan-polytechnical-high-ca
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