Enrollment
917
Arizona · 2024-25 NCES data
Other / mixed grade configuration · Rio Rico, AZ
Federal NCES profile for Calabasas School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 34/100.
The verdict
Calabasas School earns 34/100 on the Resource Investment Index, with class sizes near the Arizona median. It is also less racially and ethnically mixed than most Arizona schools.
Calabasas School has class sizes near the Arizona median. Computed live against every Arizona school reporting to NCES.
By Resource Investment Index, Calabasas School ranks #1 of 4 public schools in Rio Rico, AZ.
NCES ID 040752000634 Verify on NCES CCD record →
Enrollment
917
Arizona · 2024-25 NCES data
Teachers (FTE)
55.0
Federal CCD staff survey
Students per teacher
16.7:1
vs 17:1 Arizona avg
-2% vs state
Free-lunch eligible
71.0%
vs 48.3% Arizona avg
+47% vs state
How Calabasas School compares with Arizona and U.S. medians
At or below state median
16.7:1 - 0.3 below the Arizona state median of 17:1, indicating smaller average class loads than typical schools in the state.
Calabasas School is a higher-need, large combined-grade school in Rio Rico, Arizona, enrolling 917 students.
At 16.7:1, its student-teacher ratio sits close to the Arizona median, within a few percentage points of the 17:1 state norm, neither notably crowded nor notably small.
Economic need runs somewhat above the state's typical profile, with 71.0% of students eligible for free meals.
Enrollment of 917 puts it in the larger third of Arizona schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 2,064 scored Arizona schools.
Against 150 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #27.
Its student body is predominantly Hispanic or Latino (99% of enrollment), among the less diverse in the state (diversity index 2/100).
Chronic absenteeism is elevated: 63.5% 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 Coatimundi Middle School (497 students) alongside Calabasas 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
Calabasas 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 | 16.7:1 | ▼ 2% | 17:1 | 15.7:1 |
| Free-lunch eligible | 71.0% | ▲ 47% | 48.3% | 51.7% |
| Enrollment | 917 | top 11% | - | - |
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 98.9% of enrollment.
Simpson diversity index - at 2.2, Calabasas 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 Calabasas 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 | Lower economic need | Higher S:T ratio |
| Coatimundi Middle School | Smaller | Lower economic need | Higher S:T ratio |
| Mountain View School | Smaller | Similar economic need | Higher S:T ratio |
| San Cayetano Elementary School | Smaller | Lower economic need | Higher S:T ratio |
Comparisons are relative to Calabasas 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 Calabasas 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.
Calabasas School has 917 students enrolled. It is a public school in Rio Rico, AZ.
The student-teacher ratio at Calabasas School is 16.7:1, which is 2% lower than the Arizona average of 17:1 and 6% higher than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
71.0% of students at Calabasas School are eligible for free lunch, compared to the Arizona average of 48.3%.
The largest demographic group at Calabasas School is Hispanic or Latino at 98.9% of enrollment, in Rio Rico, AZ.
Calabasas School has a Resource Investment Index of 34/100 (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, Calabasas School ranks #1 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.
Calabasas School earns 34/100 on the Resource Investment Index, with class sizes near the Arizona median. 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 Calabasas School, Santa Cruz Valley Unified District (4458) also operates Rio Rico High School (1,397 students), Coatimundi Middle School (497 students), and Mountain View School (406 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, “Calabasas 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/calabasas-school-az/
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