- Enrollment
- 159
- Students per teacher
- 14.5:1
- Resource Index
- 35/100
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 →
CCD year-over-year · 2022-23 → 2023-24
-21 students YoY
Robles Elementary School shrank from 389 students in 2022-23 to 368 in 2023-24 (-5.4%).
Teacher FTE added 12.0 → 15.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Shrinking CCD campus
-21 students YoY 040477002400 · Tucson, AZ Other · SMALL · TRAD
320 enr · 26.7:1 · 72.0% lunch · RII 17
Nearest enrollment peer: Altar Valley Middle School (159 students)
Robles Elementary School shrank from 389 students in 2022-23 to 368 in 2023-24 (-5.4%). Teacher FTE added 12.0 → 15.0 across the same CCD years. Read with this school → · District book → · Arizona schools → · Find another →
How Robles Elementary School compares
Robles Elementary School is a shrinking campus on CCD: ratios and free-lunch share vs 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 methodology
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
$15,761
per pupil, district-wide
- above Arizona avg of $13,502
Somewhat 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.
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
District finance for Altar Valley Elementary District (4418) reports $15,761 per pupil (NCES F-33) - open the district page for the full revenue mix.
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
Similar other schools in Tucson
2 comparable other schools (grades Mixed) serving the same city.
Nationwide other schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~320 students)
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. CCD year-over-year: 389 (2022-23) → 368 (2023-24), down 21.
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, gifted-program reporting, counselor availability, chronic absenteeism. 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.
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.