Enrollment
59
Arizona · 2024-25 NCES data
Other / mixed grade configuration · Tucson, AZ
Rillito Center
Federal NCES profile for Rillito Center, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 37/100.
2024-25 NCES dataOther / mixed grade configurationNCES 040068000030
👥 S:T ratio 80
🌟 Gifted program 30
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Rillito Center earns 37/100 on the Resource Investment Index, with class sizes smaller than 98% of Arizona schools. It is also more racially and ethnically mixed than most Arizona schools.
- #62 of 131
- schools in Tucson · Resource Index
- 37
- Resource Index · Typical
- 4.9:1
- small classes for Arizona
- 46.3%
- free-lunch eligible
Rillito Center has class sizes smaller than 98% of Arizona schools. Computed live against every Arizona school reporting to NCES.
By Resource Investment Index, Rillito Center ranks #62 of 131 schools in Tucson, AZ.
School address
District: Amphitheater Unified District (4406) · Arizona
NCES ID 040068000030 Verify on NCES CCD record →
Teachers (FTE)
12.0
Federal CCD staff survey
Students per teacher
4.9:1
vs 17:1 Arizona avg
-71% vs state
Free-lunch eligible
46.3%
vs 48.3% Arizona avg
-4% vs state
Student-teacher ratio in context
How Rillito Center compares with Arizona and U.S. medians
What stands out at Rillito Center
Rillito Center is a small combined-grade school in Tucson, Arizona, enrolling 59 students.
Classes run notably small here: at 4.9:1, Rillito Center is leaner than roughly 98% of Arizona schools and 71% under the state's 17:1 norm, more adult attention per pupil than most peers.
Its free-meal eligibility rate of 46.3% lands close to the Arizona typical range, neither a high- nor low-need campus by this measure.
Enrollment of 59 puts it in the smaller third of Arizona schools by headcount.
Its Resource Investment Index lands in the upper third of 2,064 scored Arizona schools.
Against 33 statewide peers matched on enrollment and economic need, it ranks mid-pack at #18.
Its student body is led by White (41%) and Hispanic or Latino (37%), more mixed than most schools in the state (diversity index 68/100).
Chronic absenteeism is elevated: 89.8% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Amphitheater Unified District (4406) spends $10,331 per pupil, 21% below the Arizona average, a leaner-resourced district than most.
Its district draws 17.3% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Among Tucson's public schools, it stands alongside Craycroft Elementary School (586 students): Rillito Center is smaller than that campus by headcount and runs leaner classes (4.9:1 vs 21.7:1).
Amphitheater Unified District (4406) also operates Canyon Del Oro High School (1,758 students) and Ironwood Ridge High School (1,539 students) alongside Rillito Center.
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
How Rillito Center compares
Rillito Center on the metrics families compare, against Arizona and U.S. means.
| Metric | This school | vs Arizona | Arizona avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 4.9:1 | ▼ 71% | 17:1 | 15.7:1 |
| Free-lunch eligible | 46.3% | ▼ 4% | 48.3% | 51.7% |
| Enrollment | 59 | top 88% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
4.9:1
Leaner classes than 99% of US schools, among the more generously staffed nationally.
59
Bigger than 6% of US schools by enrollment, a small campus.
Equity indicators (what these measure)
Economic need
46.3%
free-lunch eligible
- 4% below the Arizona average of 48.3%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
4.9:1
students per teacher
- 71% below state mean
Top 2% in Arizona - lower ratio than 98% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
89.8%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$10,331
per pupil, district-wide
- below Arizona avg of $13,145
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 per 100 students. Reported via the Civil Rights Data Collection.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
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.
Student demographics
White 40.7%
Hispanic or Latino 37.3%
African American 6.8%
Asian 5.1%
American Indian / Alaska Native 5.1%
Native Hawaiian / Pacific Islander 3.4%
Two or More 1.7%
Largest group: White at 40.7% of enrollment.
Student-body diversity index 68.4/100
Simpson diversity index - at 68.4, Rillito Center is more mixed than the Arizona school average of 47.2.
Programs
Funding & spending
District-wide per-pupil expenditure for Amphitheater Unified District (4406), which includes Rillito Center.
$10,331
Per student
-21%
vs Arizona
Avg $13,145
-38%
vs U.S.
Avg $16,593
Revenue mix
Local 54.9%
State 27.9%
Federal 17.3%
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.
How Rillito Center Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Canyon Del Oro High School | Larger | Lower economic need | Higher S:T ratio |
| Ironwood Ridge High School | Larger | Lower economic need | Higher S:T ratio |
| Amphitheater High School | Larger | Higher economic need | Higher S:T ratio |
| Lawrence W Cross Middle School | Larger | Lower economic need | Higher S:T ratio |
| Richard B Wilson Jr School | Larger | Lower economic need | Higher S:T ratio |
Comparisons are relative to Rillito Center's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,758
- Students per teacher
- 22.8:1
- Resource Index
- 23/100
- Enrollment
- 1,539
- Students per teacher
- 21.4:1
- Resource Index
- 29/100
- Enrollment
- 996
- Students per teacher
- 13.6:1
- Resource Index
- 41/100
- Enrollment
- 827
- Students per teacher
- 22.4:1
- Resource Index
- 22/100
- Enrollment
- 770
- Students per teacher
- 15.1:1
- Resource Index
- 27/100
Similar other schools in Tucson
2 comparable other schools (grades Mixed) serving the same city.
Similar other schools statewide
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.
Similar enrollment (~59 students)
Similar student-teacher ratio (~4.9:1)
Next steps
Verify locally before acting on Rillito Center's federal record.
- Compare Rillito Center against another school. Compare schools
- Amphitheater Unified District (4406)'s spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
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.
Frequently asked questions about Rillito Center
How many students attend Rillito Center?
Rillito Center has 59 students enrolled. It is a special-education school in Tucson, AZ.
What is the student-teacher ratio at Rillito Center?
The student-teacher ratio at Rillito Center is 4.9:1, which is 71% lower than the Arizona average of 17:1 and 69% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Rillito Center?
46.3% of students at Rillito Center are eligible for free lunch, compared to the Arizona average of 48.3%.
What is the racial and ethnic makeup of Rillito Center?
The largest demographic group at Rillito Center is White at 40.7% of enrollment, in Tucson, AZ. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 68.4/100.
What is the Resource Investment Index for Rillito Center?
Rillito Center has a Resource Investment Index of 37/100 (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).
How does Rillito Center rank among schools in Tucson?
By Resource Investment Index, Rillito Center ranks #62 of 131 schools in Tucson, AZ. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Tucson on the city page.
Is Rillito Center a good school?
Rillito Center earns 37/100 on the Resource Investment Index, with class sizes smaller than 98% of Arizona schools. It is also more 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.
What other schools are in Amphitheater Unified District (4406)?
Besides Rillito Center, Amphitheater Unified District (4406) also operates Canyon Del Oro High School (1,758 students), Ironwood Ridge High School (1,539 students), and Amphitheater High School (996 students). See the Amphitheater Unified District (4406) district page for the complete list.
Related tools
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.