Enrollment
1,007
California · 2024-25 NCES data
High school (grades 9-12) · Fillmore, CA
Federal NCES profile for Fillmore Senior High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 45/100.
The verdict
Fillmore Senior High earns 45/100 on the Resource Investment Index, with class sizes near the California median. It is also less racially and ethnically mixed than most California schools.
Fillmore Senior High has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, Fillmore Senior High ranks #2 of 7 public schools in Fillmore, CA.
NCES ID 061380001555 Verify on NCES CCD record →
Enrollment
1,007
California · 2024-25 NCES data
Teachers (FTE)
51.0
Federal CCD staff survey
Students per teacher
19.7:1
vs 21.5:1 California avg
-8% vs state
Free-lunch eligible
63.4%
vs 55.5% California avg
+14% vs state
How Fillmore Senior High compares with California and U.S. medians
At or below state median
19.7:1 - 1.8 below the California state median of 21.5:1, indicating smaller average class loads than typical schools in the state.
Fillmore Senior High is a higher-need, large high school in Fillmore, California, enrolling 1,007 students.
Class sizes run a bit leaner than typical: 19.7:1 puts it in the smaller third of California schools by student-teacher ratio.
Its free-meal eligibility rate of 63.4% lands close to the California typical range, neither a high- nor low-need campus by this measure.
Enrollment of 1,007 puts it in the larger third of California schools by headcount.
Its Resource Investment Index lands in the upper third of 9,998 scored California schools.
Among 917 similarly sized, similarly resourced-need California schools statewide, it ranks #68, a top-tier result once campus size and economic need are matched.
Its student body is predominantly Hispanic or Latino (94% of enrollment), among the less diverse in the state (diversity index 11/100).
On the academic-pipeline side it reports 13 Advanced Placement courses.
Counselor availability sits well past the ASCA benchmark, roughly 336 students sharing each counselor, though short of the most stretched campuses.
Chronic absenteeism is elevated: 25.0% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The federal civil-rights collection also records 4 expulsions at this campus for 2021-22.
Among Fillmore's high schools, it stands alongside Sierra High (64 students): Fillmore Senior High is larger than that campus by headcount and runs heavier classes (19.7:1 vs 16:1).
Fillmore Unified also operates Fillmore Middle (813 students) and Rio Vista Elementary (553 students) alongside Fillmore Senior 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
Fillmore Senior 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 | 19.7:1 | ▼ 8% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 63.4% | ▲ 14% | 55.5% | 51.7% |
| Enrollment | 1,007 | top 11% | - | - |
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 94.1% of enrollment.
Simpson diversity index - at 11.3, Fillmore Senior High is less mixed than the California school average of 46.0.
District-wide per-pupil expenditure for Fillmore Unified, which includes Fillmore Senior 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 |
|---|---|---|---|
| Fillmore Middle | Similar size | Similar economic need | Higher S:T ratio |
| Rio Vista Elementary | Smaller | Lower economic need | Higher S:T ratio |
| San Cayetano Elementary | Smaller | Similar economic need | Higher S:T ratio |
| Mountain Vista | Smaller | Similar economic need | Lower S:T ratio |
| Piru Elementary | Smaller | Similar economic need | Higher S:T ratio |
Comparisons are relative to Fillmore Senior High's own figures; each column derives from NCES Common Core of Data.
1 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 Fillmore Senior 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.
Fillmore Senior High has 1,007 students enrolled. It is a high school in Fillmore, CA.
The student-teacher ratio at Fillmore Senior High is 19.7:1, which is 8% lower than the California average of 21.5:1 and 25% higher than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
63.4% of students at Fillmore Senior High are eligible for free lunch, compared to the California average of 55.5%.
The largest demographic group at Fillmore Senior High is Hispanic or Latino at 94.1% of enrollment, in Fillmore, CA.
Fillmore Senior High has a Resource Investment Index of 45/100 (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, Fillmore Senior High ranks #2 of 7 public schools in Fillmore, 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 Fillmore on the city page.
Fillmore Senior High earns 45/100 on the Resource Investment Index, with class sizes near the California median. It is also less racially and ethnically mixed than most California schools. 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 Fillmore Senior High, Fillmore Unified also operates Fillmore Middle (813 students), Rio Vista Elementary (553 students), and San Cayetano Elementary (514 students). See the Fillmore 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, “Fillmore Senior High, Fillmore 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/fillmore-senior-high-ca
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