Enrollment
768
California · 2024-25 NCES data
Elementary school (grades K-5) · Sunnyvale, CA
Federal NCES profile for Ellis Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 32/100.
The verdict
Ellis Elementary earns 32/100 on the Resource Investment Index, with class sizes larger than 83% of California schools.
Ellis Elementary has class sizes larger than 83% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Ellis Elementary ranks #6 of 13 elementary schools in Sunnyvale, CA.
NCES ID 063846006460 Verify on NCES CCD record →
Enrollment
768
California · 2024-25 NCES data
Teachers (FTE)
30.0
Federal CCD staff survey
Students per teacher
25.6:1
vs 21.5:1 California avg
+19% vs state
Free-lunch eligible
25.5%
vs 55.5% California avg
-54% vs state
How Ellis Elementary compares with California and U.S. medians
Larger classes than state median
25.6:1 - 4.1 above the California state median of 21.5:1, indicating larger average class loads than typical schools in the state.
Ellis Elementary is a mid-sized elementary school in Sunnyvale, California, enrolling 768 students.
Class loads run somewhat heavier than typical: 25.6:1 puts it in the larger third of California schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 25.5% of students eligible for free meals.
Enrollment of 768 puts it in the larger third of California schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 9,998 scored California schools.
Against 1,220 statewide peers matched on enrollment and economic need, it ranks mid-pack at #664.
Its student body is led by Hispanic or Latino (41%) and Asian (40%) (diversity index 66/100).
13.5% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
The surrounding Sunnyvale spends $21,963 per pupil, 33% above the California average, a better-resourced district than most.
Among Sunnyvale's elementary schools, it stands alongside Louis E. Stocklmeir Elementary (840 students): Ellis Elementary is smaller than that campus by headcount and runs heavier classes (25.6:1 vs 25.5:1).
Sunnyvale also operates Sunnyvale Middle (1,053 students) and Columbia Middle (697 students) alongside Ellis Elementary.
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
Ellis Elementary on the metrics families compare, against California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 25.6:1 | ▲ 19% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 25.5% | ▼ 54% | 55.5% | 51.7% |
| Enrollment | 768 | top 19% | - | - |
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 40.9% of enrollment.
Simpson diversity index - at 65.8, Ellis Elementary is more mixed than the California school average of 46.0.
District-wide per-pupil expenditure for Sunnyvale, which includes Ellis Elementary.
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 |
|---|---|---|---|
| Sunnyvale Middle | Larger | Similar economic need | Lower S:T ratio |
| Columbia Middle | Similar size | Higher economic need | Lower S:T ratio |
| Cherry Chase Elementary | Similar size | Lower economic need | Lower S:T ratio |
| Cumberland Elementary | Similar size | Lower economic need | Lower S:T ratio |
| Bishop Elementary | Smaller | Higher economic need | Lower S:T ratio |
Comparisons are relative to Ellis Elementary's own figures; each column derives from NCES Common Core of Data.
6 comparable elementary schools (grades K-5) 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 Ellis Elementary'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.
Ellis Elementary has 768 students enrolled. It is an elementary school in Sunnyvale, CA.
The student-teacher ratio at Ellis Elementary is 25.6:1, which is 19% higher than the California average of 21.5:1 and 63% higher than the national average of 15.7:1.
25.5% of students at Ellis Elementary are eligible for free lunch, compared to the California average of 55.5%.
The largest demographic group at Ellis Elementary is Hispanic or Latino at 40.9% of enrollment, in Sunnyvale, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 65.8/100.
Ellis Elementary has a Resource Investment Index of 32/100 (typical reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Ellis Elementary ranks #6 of 13 elementary schools in Sunnyvale, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Sunnyvale on the city page.
Ellis Elementary earns 32/100 on the Resource Investment Index, with class sizes larger than 83% of 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 Ellis Elementary, Sunnyvale also operates Sunnyvale Middle (1,053 students), Columbia Middle (697 students), and Cherry Chase Elementary (622 students). See the Sunnyvale 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.
Published by
PlainSchools Editorial
Independent public-data reference that compiles, verifies, and contextualizes official datasets. We do not accept compensation from entities we cover, and every dataset cites its originating public source.
Last updated:
PlainSchools, “Ellis Elementary, Sunnyvale 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/ellis-elementary-ca/
You are welcome to quote these figures with attribution to PlainSchools and the underlying source. The URL above is stable.