Enrollment
477
Arizona · 2024-25 NCES data
Elementary school (grades K-5) · Chino Valley, AZ
Federal NCES profile for Del Rio Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 18/100.
The verdict
Del Rio Elementary School earns 18/100 on the Resource Investment Index, with class sizes larger than 70% of Arizona schools.
Del Rio Elementary School has class sizes larger than 70% of Arizona schools. Computed live against every Arizona school reporting to NCES.
By Resource Investment Index, Del Rio Elementary School ranks #1 of 5 public schools in Chino Valley, AZ.
NCES ID 040000300147 Verify on NCES CCD record →
Enrollment
477
Arizona · 2024-25 NCES data
Teachers (FTE)
25.0
Federal CCD staff survey
Students per teacher
19.1:1
vs 17:1 Arizona avg
+12% vs state
Free-lunch eligible
48.9%
vs 48.3% Arizona avg
+1% vs state
How Del Rio Elementary School compares with Arizona and U.S. medians
Slightly above state median
19.1:1 - 2.1 above the Arizona state median of 17:1, indicating larger average class loads than typical schools in the state.
Del Rio Elementary School is a mid-sized elementary school in Chino Valley, Arizona, enrolling 477 students.
Class loads run somewhat heavier than typical: 19.1:1 puts it in the larger third of Arizona schools by student-teacher ratio.
Its free-meal eligibility rate of 48.9% lands close to the Arizona typical range, neither a high- nor low-need campus by this measure.
With 477 students, its enrollment sits close to the Arizona median campus size.
Its Resource Investment Index lands in the lower third of 2,064 scored Arizona schools.
Among 332 similarly sized, similarly resourced-need Arizona schools statewide, it ranks #278, in the lower tier once campus size and economic need are matched.
Its student body is led by White (64%) and Hispanic or Latino (31%) (diversity index 49/100).
Chronic absenteeism is elevated: 55.3% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Chino Valley Unified District (4474) spends $9,394 per pupil, 29% below the Arizona average, a leaner-resourced district than most.
Its district draws 22.0% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Chino Valley Unified District (4474) also operates Chino Valley High School (712 students) and Territorial Early Childhood Center (577 students) alongside Del Rio Elementary School.
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
Del Rio Elementary School on the metrics families compare, against Arizona and U.S. means.
| Metric | This school | vs Arizona | Arizona avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 19.1:1 | ▲ 12% | 17:1 | 15.7:1 |
| Free-lunch eligible | 48.9% | ▲ 1% | 48.3% | 51.7% |
| Enrollment | 477 | top 41% | - | - |
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 64.2% of enrollment.
Simpson diversity index - at 49.3, Del Rio Elementary School is more mixed than the Arizona school average of 47.2.
District-wide per-pupil expenditure for Chino Valley Unified District (4474), which includes Del Rio Elementary School.
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 |
|---|---|---|---|
| Chino Valley High School | Larger | Lower economic need | Higher S:T ratio |
| Territorial Early Childhood Center | Similar size | Similar economic need | Similar S:T ratio |
| Heritage Middle School | Similar size | Similar economic need | Similar S:T ratio |
Comparisons are relative to Del Rio Elementary School's own figures; each column derives from NCES Common Core of Data.
Matched by enrollment size and by staffing ratio across all of Arizona, not just this city - a different peer set than the local comparisons above.
Next steps
Verify locally before acting on Del Rio Elementary School'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.
Del Rio Elementary School has 477 students enrolled. It is an elementary school in Chino Valley, AZ.
The student-teacher ratio at Del Rio Elementary School is 19.1:1, which is 12% higher than the Arizona average of 17:1 and 22% higher than the national average of 15.7:1.
48.9% of students at Del Rio Elementary School are eligible for free lunch, compared to the Arizona average of 48.3%.
The largest demographic group at Del Rio Elementary School is White at 64.2% of enrollment, in Chino Valley, AZ.
Del Rio Elementary School has a Resource Investment Index of 18/100 (lower 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, Del Rio Elementary School ranks #1 of 5 public schools in Chino Valley, AZ. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Chino Valley on the city page.
Del Rio Elementary School earns 18/100 on the Resource Investment Index, with class sizes larger than 70% of Arizona 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 Del Rio Elementary School, Chino Valley Unified District (4474) also operates Chino Valley High School (712 students), Territorial Early Childhood Center (577 students), and Heritage Middle School (461 students). See the Chino Valley Unified District (4474) 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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Last updated:
PlainSchools, “Del Rio Elementary School, Chino Valley AZ.” 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/del-rio-elementary-school-az
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