Enrollment
437
California · 2024-25 NCES data
Elementary school (grades K-5) · Pomona, CA
Federal NCES profile for Decker Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 24/100.
The verdict
Decker Elementary earns 24/100 on the Resource Investment Index, with class sizes near the California median.
Decker Elementary has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, Decker Elementary ranks #10 of 22 elementary schools in Pomona, CA.
NCES ID 063132007332 Verify on NCES CCD record →
Enrollment
437
California · 2024-25 NCES data
Teachers (FTE)
20.0
Federal CCD staff survey
Students per teacher
21.9:1
vs 21.5:1 California avg
+2% vs state
Free-lunch eligible
57.4%
vs 55.5% California avg
+3% vs state
How Decker Elementary compares with California and U.S. medians
Slightly above state median
21.9:1 - 0.4 above the California state median of 21.5:1, indicating larger average class loads than typical schools in the state.
Decker Elementary is a higher-need, mid-sized elementary school in Pomona, California, enrolling 437 students.
At 21.9:1, its student-teacher ratio sits close to the California median, within a few percentage points of the 21.5:1 state norm, neither notably crowded nor notably small.
Its free-meal eligibility rate of 57.4% lands close to the California typical range, neither a high- nor low-need campus by this measure.
With 437 students, its enrollment sits close to the California median campus size.
Its Resource Investment Index lands in the lower third of 9,998 scored California schools.
Against 1,645 statewide peers matched on enrollment and economic need, it ranks mid-pack at #915.
Its student body is led by Hispanic or Latino (74%) and Asian (8%) (diversity index 44/100).
Counselor access is stretched at roughly 437 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 54.9% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Its district draws 17.6% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Among Pomona's elementary schools, it stands alongside Vejar Elementary (741 students): Decker Elementary is smaller than that campus by headcount and runs heavier classes (21.9:1 vs 20.6:1).
Pomona Unified also operates Garey High (1,567 students) and Diamond Ranch High (1,542 students) alongside Decker 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
Decker 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 | 21.9:1 | ▲ 2% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 57.4% | ▲ 3% | 55.5% | 51.7% |
| Enrollment | 437 | top 55% | - | - |
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 73.9% of enrollment.
Simpson diversity index - at 43.7, Decker Elementary is less mixed than the California school average of 46.0.
District-wide per-pupil expenditure for Pomona Unified, which includes Decker 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 |
|---|---|---|---|
| Garey High | Larger | Higher economic need | Similar S:T ratio |
| Diamond Ranch High | Larger | Similar economic need | Higher S:T ratio |
| School of Extended Educational Options | Larger | Similar economic need | Higher S:T ratio |
| Pomona High | Larger | Higher economic need | Lower S:T ratio |
| Ganesha High | Larger | Higher economic need | Lower S:T ratio |
Comparisons are relative to Decker 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 Decker 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.
Decker Elementary has 437 students enrolled. It is an elementary school in Pomona, CA.
The student-teacher ratio at Decker Elementary is 21.9:1, which is 2% higher than the California average of 21.5:1 and 39% higher than the national average of 15.7:1.
57.4% of students at Decker Elementary are eligible for free lunch, compared to the California average of 55.5%.
The largest demographic group at Decker Elementary is Hispanic or Latino at 73.9% of enrollment, in Pomona, CA.
Decker 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, Decker Elementary ranks #10 of 22 elementary schools in Pomona, 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 Pomona on the city page.
Decker Elementary earns 24/100 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 Decker Elementary, Pomona Unified also operates Garey High (1,567 students), Diamond Ranch High (1,542 students), and School of Extended Educational Options (1,204 students). See the Pomona 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, “Decker Elementary, Pomona 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/decker-elementary-ca
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