Enrollment
504
Arizona · 2024-25 NCES data
Elementary school (grades K-5) · Glendale, AZ
Federal NCES profile for Arroyo Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 38/100.
The verdict
Arroyo Elementary School earns 38/100 on the Resource Investment Index, with class sizes smaller than 72% of Arizona schools.
Arroyo Elementary School has class sizes smaller than 72% of Arizona schools. Computed live against every Arizona school reporting to NCES.
By Resource Investment Index, Arroyo Elementary School ranks #4 of 17 elementary schools in Glendale, AZ.
NCES ID 040906000917 Verify on NCES CCD record →
Enrollment
504
Arizona · 2024-25 NCES data
Teachers (FTE)
36.0
Federal CCD staff survey
Students per teacher
14:1
vs 17:1 Arizona avg
-18% vs state
Free-lunch eligible
67.9%
vs 48.3% Arizona avg
+41% vs state
How Arroyo Elementary School compares with Arizona and U.S. medians
Smaller classes than state median
14:1 - 3.0 below the Arizona state median of 17:1, indicating smaller average class loads than typical schools in the state.
Arroyo Elementary School is a higher-need, mid-sized elementary school in Glendale, Arizona, enrolling 504 students.
Class sizes run a bit leaner than typical: 14:1 puts it in the smaller third of Arizona schools by student-teacher ratio.
Economic need runs somewhat above the state's typical profile, with 67.9% of students eligible for free meals.
With 504 students, its enrollment sits close to the Arizona median campus size.
Its Resource Investment Index lands in the upper third of 2,064 scored Arizona schools.
Against 339 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #67.
Its student body is led by Hispanic or Latino (59%) and White (26%) (diversity index 57/100).
Chronic absenteeism is elevated: 53.2% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Its district draws 24.8% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Among Glendale's elementary schools, it stands alongside Legacy Traditional School ? Glendale (1,280 students): Arroyo Elementary School is smaller than that campus by headcount.
Washington Elementary School District (4260) also operates Lookout Mountain School (979 students) and Mountain View Elementary School (903 students) alongside Arroyo Elementary 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
Arroyo 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 | 14:1 | ▼ 18% | 17:1 | 15.7:1 |
| Free-lunch eligible | 67.9% | ▲ 41% | 48.3% | 51.7% |
| Enrollment | 504 | top 39% | - | - |
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 59.3% of enrollment.
Simpson diversity index - at 57.4, Arroyo Elementary School is more mixed than the Arizona school average of 47.2.
District-wide per-pupil expenditure for Washington Elementary School District (4260), which includes Arroyo Elementary 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 |
|---|---|---|---|
| Lookout Mountain School | Larger | Lower economic need | Higher S:T ratio |
| Mountain View Elementary School | Larger | Higher economic need | Similar S:T ratio |
| Acacia Elementary School | Larger | Similar economic need | Higher S:T ratio |
| Orangewood School | Larger | Similar economic need | Higher S:T ratio |
| Palo Verde Middle School | Larger | Higher economic need | Similar S:T ratio |
Comparisons are relative to Arroyo Elementary School's own figures; each column derives from NCES Common Core of Data.
2 comparable elementary schools (grades K-5) serving the same city.
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 Arroyo Elementary 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.
Arroyo Elementary School has 504 students enrolled. It is an elementary school in Glendale, AZ.
The student-teacher ratio at Arroyo Elementary School is 14:1, which is 18% lower than the Arizona average of 17:1 and 11% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
67.9% of students at Arroyo Elementary School are eligible for free lunch, compared to the Arizona average of 48.3%.
The largest demographic group at Arroyo Elementary School is Hispanic or Latino at 59.3% of enrollment, in Glendale, AZ. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 57.4/100.
Arroyo Elementary School has a Resource Investment Index of 38/100 (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, Arroyo Elementary School ranks #4 of 17 elementary schools in Glendale, AZ. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Glendale on the city page.
Arroyo Elementary School earns 38/100 on the Resource Investment Index, with class sizes smaller than 72% 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.
Besides Arroyo Elementary School, Washington Elementary School District (4260) also operates Lookout Mountain School (979 students), Mountain View Elementary School (903 students), and Acacia Elementary School (806 students). See the Washington Elementary School District (4260) 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, “Arroyo Elementary School, Glendale 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/arroyo-elementary-school-az
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