Enrollment
320
Arizona · 2024-25 NCES data
2024-25 NCES data Other / mixed grade configuration NCES 040477002400
Robles Elementary School — Tucson, AZ
Federal NCES profile for Robles Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators — Resource Investment Index 17/100.
👥 Class size 0
🌟 Gifted program 30
🎓 Counselors 36
📋 Attendance 0
How this works: Each indicator above is scored 0–100 from federal NCES and CRDC data, then averaged into the Resource Investment Index. This measures resource allocation — staffing, programs, and support services — not standardized test scores or academic outcomes. Full methodology →
School address
District: Altar Valley Elementary District (4418) · Arizona
Public location data per NCES (National Center for Education Statistics) Common Core of Data. Verify the school's current address on the NCES CCD record.
Teachers (FTE)
12.0
Federal CCD staff survey
Students per teacher
32.4:1
vs 17.7:1 Arizona avg
+83% vs state
Free-lunch eligible
72.0%
vs 48.3% Arizona avg
+49% vs state
Student-teacher ratio in context
How Robles Elementary School compares with Arizona and U.S. medians
The federal record — no proprietary index, no editorial formula.
PlainSchools publishes the actual federal measurements — enrollment, staffing, demographics, discipline, and finance — straight from the NCES Common Core of Data, CRDC, and F-33 surveys. No composite rating, no opinion-based score on top. You get the same raw numbers researchers and policymakers use, with benchmarks, spending context, and equity indicators computed from the same federal datasets. Full methodology linked below.
What this school's NCES data tells you
Robles Elementary School reports 320 enrolled students to the National Center for Education Statistics (NCES) alongside 12.0 full-time-equivalent teachers, producing a 32.4:1 student-teacher ratio. That figure sits 83% above the Arizona state mean of 17.7:1, signalling larger average class loads than peers in the same state. Against the national 2024-25 average of 15.9:1, it is 104% higher, a useful calibration for families comparing districts across state lines.
Title I and federal lunch eligibility offer another window into the student body: 72.0% of pupils qualify for free meals, a proxy for household income that federal programs use to direct funding. The free-lunch share is 49% above the Arizona average and 39% above the national baseline. Counselor coverage works out to roughly 320 students per counselor, above the ASCA-recommended ceiling of 250:1. Chronic absenteeism — missing 10% or more of school days — stands at 71.3% according to the 2021-22 Civil Rights Data Collection.
On the finance side, the surrounding Altar Valley Elementary District (4418) spends $17,497 per pupil district-wide, above the Arizona average of $15,070 and below the national average of $19,490. Revenue comes 33.5% from local sources (property taxes), 40.8% from the state, and 25.7% from federal programs per the NCES F-33 finance survey. Taken together, these measurements produce a Resource Investment Index of 17/100 (F), calculated from 4 distinct NCES and CRDC indicators measuring resource allocation rather than academic outcomes.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Robles Elementary School compares
Cross-validating school-level NCES values against Arizona state and U.S. national means lets readers see whether this school is an outlier or in line with peers.
| Metric | This school | vs Arizona | Arizona avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 32.4:1 | ▲ 83% | 17.7:1 | 15.9:1 |
| Free-lunch eligible | 72.0% | ▲ 49% | 48.3% | 51.8% |
| Enrollment | 320 | top 40% | — | — |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
What the federal data reveals about equity at this school
Federal measurements — not ratings — surface the resource and opportunity picture. Below are the indicators that researchers, civil-rights monitors, and funding formulas use to assess equity.
Economic need
72.0%
free-lunch eligible
— 49% above the Arizona average of 48.3%
Above the 40% Title I schoolwide threshold — federal funds support the whole school, not individual students.
Staffing depth
32.4:1
students per teacher
— 83% above state mean
Top 99% in Arizona — lower ratio than 1% of state schools
Above 20:1 — larger class loads than the typical U.S. public school; staffing is stretched relative to enrollment.
Engagement
71.3%
chronically absent (missed 10%+ of school days)
Chronic absenteeism at or above 20% — the CDC threshold for "high" — signals significant barriers to regular attendance.
Funding equity
$17,497
per pupil, district-wide
— above Arizona avg of $15,070
Below the U.S. average per-pupil spend — funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors1.0 FTE
Per 320 students — the combined health-and-guidance staffing load for this school.
Discipline context
2
in-school suspensions + 15 out-of-school
Suspension rate: 0.6 per 100 students. Combined in-school and out-of-school rate: 5.3 per 100 students. Reported via the Civil Rights Data Collection.
Overview
Enrollment 320 Top 40% in Arizona — larger than 60% of 2,186 state schools
Teachers (FTE) 12.0
Students per teacher 32.4:1 +83% vs state
Free-lunch eligible 72.0% +49% vs state
NCES ID 040477002400
Student demographics
Hispanic or Latino 58.1%
White 29.4%
American Indian / Alaska Native 9.1%
African American 1.9%
Two or More 1.3%
Asian 0.3%
Largest group: Hispanic or Latino at 58.1% of enrollment.
Programs & staff
Counselors (FTE) 1.0
Students per counselor 320:1
Discipline & special education
Chronically absent 71.3%
In-school suspensions 2
Out-of-school suspensions 15
Funding & spending
District-wide per-pupil expenditure for Altar Valley Elementary District (4418), which includes Robles Elementary School.
$17,497
Per student
+16%
vs Arizona
Avg $15,070
-10%
vs U.S.
Avg $19,490
Revenue mix
Local 33.5%
State 40.8%
Federal 25.7%
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.
Other Schools in This District
- Enrollment
- 159
- Students per teacher
- 17.8:1
Similar other schools in Tucson
6 comparable other schools (grades Mixed) serving the same city.
Tucson Magnet High School
Standard public school
2,938 students 19.5:1 students per teacher
Pueblo High School
Standard public school
1,821 students 17.8:1 students per teacher
Cholla High School
Standard public school
1,575 students 19.1:1 students per teacher
Sahuaro High School
Standard public school
1,250 students 21.4:1 students per teacher
Catalina Online Learning Experience
Standard public school
1,184 students 66:1 students per teacher
Rincon High School
Standard public school
1,109 students 19.3:1 students per teacher
Educator & family resources
In-depth guides on understanding NCES data, school choice, and education funding.
Understanding NCES data
How CCD, CRDC and EDFacts feed every public-school number you see.
Choose a school district
Eight signals that matter more than the overall ranking number.
How schools are funded
Title I, F-33, state aid formulas and what per-pupil spending really means.
Chronic absenteeism
Why missing 10% of school matters and how it varies by district.
Magnet vs charter vs traditional
Three school types, three funding models, three sets of trade-offs.
School discipline data
What CRDC suspension and expulsion records do and don't reveal.
Frequently asked questions about Robles Elementary School
How many students attend Robles Elementary School?
Robles Elementary School has 320 students enrolled. It is a other school in TUCSON, AZ.
What is the student-teacher ratio at Robles Elementary School?
The student-teacher ratio at Robles Elementary School is 32.4:1, which is 83% higher than the Arizona average of 17.7:1 and 104% higher than the national average of 15.9:1.
What percentage of students receive free lunch at Robles Elementary School?
72.0% of students at Robles Elementary School are eligible for free lunch, compared to the Arizona average of 48.3%.
What is the racial and ethnic makeup of Robles Elementary School?
The largest demographic group at Robles Elementary School is Hispanic or Latino at 58.1%. The school serves a diverse student body in TUCSON, AZ.
What is the Resource Investment Index for Robles Elementary School?
Robles Elementary School has a Resource Investment Index of 17/100 (F) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. This index measures federal resource allocation — staffing levels, program availability, and support services — not standardized test scores or academic outcomes.