Enrollment
790
California · 2024-25 NCES data
Elementary school (grades K-5) · Elk Grove, CA
Federal NCES profile for Helen Carr Castello Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 41/100.
The verdict
Helen Carr Castello Elementary earns 41/100 on the Resource Investment Index, with class sizes near the California median. It is also more racially and ethnically mixed than most California schools.
Helen Carr Castello Elementary has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, Helen Carr Castello Elementary ranks #2 of 24 elementary schools in Elk Grove, CA.
NCES ID 061233011065 Verify on NCES CCD record →
Enrollment
790
California · 2024-25 NCES data
Teachers (FTE)
34.0
Federal CCD staff survey
Students per teacher
23.2:1
vs 21.5:1 California avg
+8% vs state
Free-lunch eligible
28.2%
vs 55.5% California avg
-49% vs state
How Helen Carr Castello Elementary compares with California and U.S. medians
Slightly above state median
23.2:1 - 1.7 above the California state median of 21.5:1, indicating larger average class loads than typical schools in the state.
Helen Carr Castello Elementary is a mid-sized elementary school in Elk Grove, California, enrolling 790 students.
Class loads run somewhat heavier than typical: 23.2:1 puts it in the larger third of California schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 28.2% of students eligible for free meals.
Enrollment of 790 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.
Against 1,225 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #258.
Its student body is led by Asian (43%) and Hispanic or Latino (24%), more mixed than most schools in the state (diversity index 72/100).
Attendance runs somewhat below the norm, with 21.5% of students chronically absent per the 2021-22 civil-rights collection.
Among Elk Grove's elementary schools, it stands alongside Irene B. West Elementary (1,063 students): Helen Carr Castello Elementary is smaller than that campus by headcount and runs leaner classes (23.2:1 vs 28.7:1).
Elk Grove Unified also operates Franklin High (2,650 students) and Pleasant Grove High (2,536 students) alongside Helen Carr Castello 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
Helen Carr Castello 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 | 23.2:1 | ▲ 8% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 28.2% | ▼ 49% | 55.5% | 51.7% |
| Enrollment | 790 | top 18% | - | - |
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: Asian at 42.7% of enrollment.
Simpson diversity index - at 72.1, Helen Carr Castello Elementary is more mixed than the California school average of 46.0.
District-wide per-pupil expenditure for Elk Grove Unified, which includes Helen Carr Castello 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 |
|---|---|---|---|
| Franklin High | Larger | Similar economic need | Similar S:T ratio |
| Pleasant Grove High | Larger | Similar economic need | Similar S:T ratio |
| Sheldon High | Larger | Higher economic need | Lower S:T ratio |
| Monterey Trail High | Larger | Higher economic need | Lower S:T ratio |
| Laguna Creek High | Larger | Similar economic need | Lower S:T ratio |
Comparisons are relative to Helen Carr Castello 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 Helen Carr Castello 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.
Helen Carr Castello Elementary has 790 students enrolled. It is an elementary school in Elk Grove, CA.
The student-teacher ratio at Helen Carr Castello Elementary is 23.2:1, which is 8% higher than the California average of 21.5:1 and 48% higher than the national average of 15.7:1.
28.2% of students at Helen Carr Castello Elementary are eligible for free lunch, compared to the California average of 55.5%.
The largest demographic group at Helen Carr Castello Elementary is Asian at 42.7% of enrollment, in Elk Grove, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 72.1/100.
Helen Carr Castello Elementary has a Resource Investment Index of 41/100 (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, Helen Carr Castello Elementary ranks #2 of 24 elementary schools in Elk Grove, 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 Elk Grove on the city page.
Helen Carr Castello Elementary earns 41/100 on the Resource Investment Index, with class sizes near the California median. It is also more 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 Helen Carr Castello Elementary, Elk Grove Unified also operates Franklin High (2,650 students), Pleasant Grove High (2,536 students), and Sheldon High (2,368 students). See the Elk Grove 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, “Helen Carr Castello Elementary, Elk Grove 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/helen-carr-castello-elementary-ca
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