Enrollment
320
Arizona · 2024-25 NCES data
Other / mixed grade configuration · Tucson, AZ
Robles Elementary School
Federal NCES profile for Robles Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 17/100.
2024-25 NCES dataOther / mixed grade configurationNCES 040477002400
👥 S:T ratio 0
🌟 Gifted program 30
🎓 Counselors 36
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Robles Elementary School earns 17/100 on the Resource Investment Index, with class sizes larger than 96% of Arizona schools.
- #126 of 131
- schools in Tucson · Resource Index
- 17
- Resource Index · Lower
- 26.7:1
- large classes for Arizona
- 72.0%
- free-lunch eligible
Robles Elementary School has class sizes larger than 96% of Arizona schools. Computed live against every Arizona school reporting to NCES.
By Resource Investment Index, Robles Elementary School ranks #126 of 131 schools in Tucson, AZ.
School address
District: Altar Valley Elementary District (4418) · Arizona
NCES ID 040477002400 Verify on NCES CCD record →
Teachers (FTE)
12.0
Federal CCD staff survey
Students per teacher
26.7:1
vs 17:1 Arizona avg
+57% 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
What stands out at Robles Elementary School
Robles Elementary School is a higher-need, mid-sized combined-grade school in Tucson, Arizona, enrolling 320 students.
Class loads run heavy: 26.7:1 is larger than about 96% of Arizona schools and 57% above the 17:1 state mean, so each teacher carries more students than is typical.
Economic need runs somewhat above the state's typical profile, with 72.0% of students eligible for free meals.
With 320 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 234 similarly sized, similarly resourced-need Arizona schools statewide, it ranks #217, in the lower tier once campus size and economic need are matched.
Its student body is led by Hispanic or Latino (58%) and White (29%) (diversity index 57/100).
Counselor coverage runs a bit thin, about 320 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
Chronic absenteeism is elevated: 71.3% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Altar Valley Elementary District (4418) spends $16,270 per pupil, 24% above the Arizona average, a better-resourced district than most.
Its district draws 25.7% 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): Robles Elementary School is smaller than that campus by headcount and runs heavier classes (26.7:1 vs 21.7:1).
Its district, Altar Valley Elementary District (4418), also runs Altar Valley Middle School (159 students).
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 Robles Elementary School compares
Robles 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 | 26.7:1 | ▲ 57% | 17:1 | 15.7:1 |
| Free-lunch eligible | 72.0% | ▲ 49% | 48.3% | 51.7% |
| Enrollment | 320 | top 60% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
26.7:1
Leaner classes than 3% of US schools, heavier class loads than most.
320
Bigger than 35% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
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
26.7:1
students per teacher
- 57% above state mean
Top 96% in Arizona - lower ratio than 4% of state schools
Well above 20:1, one of the more stretched staffing loads nationally relative to enrollment.
Engagement
71.3%
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
$16,270
per pupil, district-wide
- above Arizona avg of $13,145
Close to the U.S. public-school average per-pupil spend.
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
- 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
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.
Student-body diversity index 56.7/100
Simpson diversity index - at 56.7, Robles Elementary School is more mixed than the Arizona school average of 47.2.
Programs
Funding & spending
District-wide per-pupil expenditure for Altar Valley Elementary District (4418), which includes Robles Elementary School.
$16,270
Per student
+24%
vs Arizona
Avg $13,145
-2%
vs U.S.
Avg $16,593
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.
How Robles Elementary School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Altar Valley Middle School | Smaller | Similar economic need | Lower S:T ratio |
Comparisons are relative to Robles Elementary School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 159
- Students per teacher
- 14.5:1
- Resource Index
- 35/100
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 (~320 students)
Next steps
Verify locally before acting on Robles Elementary School's federal record.
- Compare Robles Elementary School against another school. Compare schools
- Altar Valley Elementary District (4418)'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 Robles Elementary School
How many students attend Robles Elementary School?
Robles Elementary School has 320 students enrolled. It is a public school in Tucson, AZ.
What is the student-teacher ratio at Robles Elementary School?
The student-teacher ratio at Robles Elementary School is 26.7:1, which is 57% higher than the Arizona average of 17:1 and 70% higher than the national average of 15.7:1.
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% of enrollment, in Tucson, AZ. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 56.7/100.
What is the Resource Investment Index for Robles Elementary School?
Robles Elementary School has a Resource Investment Index of 17/100 (lower reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Robles Elementary School rank among schools in Tucson?
By Resource Investment Index, Robles Elementary School ranks #126 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 Robles Elementary School a good school?
Robles Elementary School earns 17/100 on the Resource Investment Index, with class sizes larger than 96% 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.
What other schools are in Altar Valley Elementary District (4418)?
Besides Robles Elementary School, Altar Valley Elementary District (4418) also operates Altar Valley Middle School (159 students). See the Altar Valley Elementary District (4418) 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.