Enrollment
643
California · 2024-25 NCES data
Elementary school (grades K-5) · Sonora, CA
Federal NCES profile for Sonora Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 24/100.
The verdict
Sonora Elementary earns 24/100 on the Resource Investment Index, even as it posts class sizes smaller than 77% of California schools.
Sonora Elementary has class sizes smaller than 77% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Sonora Elementary ranks #1 of 3 elementary schools in Sonora, CA.
NCES ID 063723006305 Verify on NCES CCD record →
Enrollment
643
California · 2024-25 NCES data
Teachers (FTE)
35.0
Federal CCD staff survey
Students per teacher
18.4:1
vs 21.5:1 California avg
-14% vs state
Free-lunch eligible
41.4%
vs 55.5% California avg
-25% vs state
How Sonora Elementary compares with California and U.S. medians
Sonora Elementary is a mid-sized elementary school in Sonora, California, enrolling 643 students.
Class sizes run a bit leaner than typical: 18.4:1 puts it in the smaller third of California schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 41.4% of students eligible for free meals.
Enrollment of 643 puts it in the larger third of California schools by headcount.
Its Resource Investment Index lands in the lower third of 9,998 scored California schools.
Against 1,374 statewide peers matched on enrollment and economic need, it ranks mid-pack at #880.
Its student body is led by White (72%) and Hispanic or Latino (18%) (diversity index 45/100).
Counselor access is stretched at roughly 804 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 48.4% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Sonora Elementary spends $13,084 per pupil, 21% below the California average, a leaner-resourced district than most.
Its district draws 20.7% 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 5 expulsions at this campus for 2021-22.
Among Sonora's elementary schools, it stands alongside Curtis Creek Elementary (410 students): Sonora Elementary is larger than that campus by headcount and runs leaner classes (18.4:1 vs 19.5:1).
Sonora Elementary operates only this one school, so Sonora Elementary has no district-mates to compare against locally.
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
Sonora 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 | 18.4:1 | ▼ 14% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 41.4% | ▼ 25% | 55.5% | 51.7% |
| Enrollment | 643 | top 28% | - | - |
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: White at 71.9% of enrollment.
Simpson diversity index - at 44.9, Sonora Elementary is about as mixed as the California school average of 46.0.
District-wide per-pupil expenditure for Sonora Elementary, which includes Sonora 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.
2 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 Sonora 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.
Sonora Elementary has 643 students enrolled. It is an elementary school in Sonora, CA.
The student-teacher ratio at Sonora Elementary is 18.4:1, which is 14% lower than the California average of 21.5:1 and 17% higher than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
41.4% of students at Sonora Elementary are eligible for free lunch, compared to the California average of 55.5%.
The largest demographic group at Sonora Elementary is White at 71.9% of enrollment, in Sonora, CA.
Sonora Elementary has a Resource Investment Index of 24/100 (lower reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Sonora Elementary ranks #1 of 3 elementary schools in Sonora, 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 Sonora on the city page.
Sonora Elementary earns 24/100 on the Resource Investment Index, even as it posts class sizes smaller than 77% 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.
None reported; Sonora Elementary operates only Sonora Elementary as a public school district in NCES's records.
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.