Enrollment
395
Arizona · 2024-25 NCES data
Elementary school (grades K-5) · Rio Rico, AZ
Federal NCES profile for San Cayetano Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 30/100.
The verdict
San Cayetano Elementary School earns 30/100 on the Resource Investment Index, with class sizes larger than 75% of Arizona schools. It is also less racially and ethnically mixed than most Arizona schools.
San Cayetano Elementary School has class sizes larger than 75% of Arizona schools. Computed live against every Arizona school reporting to NCES.
By Resource Investment Index, San Cayetano Elementary School ranks #2 of 4 public schools in Rio Rico, AZ.
NCES ID 040752000637 Verify on NCES CCD record →
Enrollment
395
Arizona · 2024-25 NCES data
Teachers (FTE)
20.0
Federal CCD staff survey
Students per teacher
19.8:1
vs 17:1 Arizona avg
+16% vs state
Free-lunch eligible
57.8%
vs 48.3% Arizona avg
+20% vs state
How San Cayetano Elementary School compares with Arizona and U.S. medians
Slightly above state median
19.8:1 - 2.8 above the Arizona state median of 17:1, indicating larger average class loads than typical schools in the state.
San Cayetano Elementary School is a higher-need, mid-sized elementary school in Rio Rico, Arizona, enrolling 395 students.
Class loads run somewhat heavier than typical: 19.8:1 puts it in the larger third of Arizona schools by student-teacher ratio.
Economic need runs somewhat above the state's typical profile, with 57.8% of students eligible for free meals.
With 395 students, its enrollment sits close to the Arizona median campus size.
Its Resource Investment Index sits near the middle of the pack among 2,064 scored Arizona schools.
Against 293 statewide peers matched on enrollment and economic need, it ranks mid-pack at #149.
Its student body is predominantly Hispanic or Latino (97% of enrollment), among the less diverse in the state (diversity index 6/100).
Chronic absenteeism is elevated: 67.6% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Santa Cruz Valley Unified District (4458) spends $9,524 per pupil, 28% below the Arizona average, a leaner-resourced district than most.
Its district draws 20.6% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Santa Cruz Valley Unified District (4458) also operates Rio Rico High School (1,397 students) and Calabasas School (917 students) alongside San Cayetano 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
San Cayetano 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 | 19.8:1 | ▲ 16% | 17:1 | 15.7:1 |
| Free-lunch eligible | 57.8% | ▲ 20% | 48.3% | 51.7% |
| Enrollment | 395 | top 52% | - | - |
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 96.7% of enrollment.
Simpson diversity index - at 6.4, San Cayetano Elementary School is less mixed than the Arizona school average of 47.2.
District-wide per-pupil expenditure for Santa Cruz Valley Unified District (4458), which includes San Cayetano 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 |
|---|---|---|---|
| Rio Rico High School | Larger | Similar economic need | Higher S:T ratio |
| Calabasas School | Larger | Higher economic need | Lower S:T ratio |
| Coatimundi Middle School | Larger | Similar economic need | Similar S:T ratio |
| Mountain View School | Similar size | Higher economic need | Higher S:T ratio |
Comparisons are relative to San Cayetano 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 San Cayetano 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.
San Cayetano Elementary School has 395 students enrolled. It is an elementary school in Rio Rico, AZ.
The student-teacher ratio at San Cayetano Elementary School is 19.8:1, which is 16% higher than the Arizona average of 17:1 and 26% higher than the national average of 15.7:1.
57.8% of students at San Cayetano Elementary School are eligible for free lunch, compared to the Arizona average of 48.3%.
The largest demographic group at San Cayetano Elementary School is Hispanic or Latino at 96.7% of enrollment, in Rio Rico, AZ.
San Cayetano Elementary School has a Resource Investment Index of 30/100 (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, San Cayetano Elementary School ranks #2 of 4 public schools in Rio Rico, 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 Rio Rico on the city page.
San Cayetano Elementary School earns 30/100 on the Resource Investment Index, with class sizes larger than 75% of Arizona schools. It is also less racially and ethnically mixed than most 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 San Cayetano Elementary School, Santa Cruz Valley Unified District (4458) also operates Rio Rico High School (1,397 students), Calabasas School (917 students), and Coatimundi Middle School (497 students). See the Santa Cruz Valley Unified District (4458) 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, “San Cayetano Elementary School, Rio Rico 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/san-cayetano-elementary-school-az
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