Enrollment
614
Arizona · 2024-25 NCES data
2024-25 NCES data Elementary school (grades K-5) NCES 040882002794
Dos Rios Elementary — Tolleson, AZ
Federal NCES profile for Dos Rios Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators — Resource Investment Index 24/100.
👥 Class size 24
🌟 Gifted program 70
🎓 Counselors 0
📋 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: Union Elementary District (4277) · 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)
37.0
Federal CCD staff survey
Students per teacher
19:1
vs 17.7:1 Arizona avg
+7% vs state
Free-lunch eligible
53.0%
vs 48.3% Arizona avg
+10% vs state
Student-teacher ratio in context
How Dos Rios Elementary 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
Dos Rios Elementary reports 614 enrolled students to the National Center for Education Statistics (NCES) alongside 37.0 full-time-equivalent teachers, producing a 19:1 student-teacher ratio. That figure sits 7% 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 19% higher, a useful calibration for families comparing districts across state lines.
Title I and federal lunch eligibility offer another window into the student body: 53.0% of pupils qualify for free meals, a proxy for household income that federal programs use to direct funding. The free-lunch share is 10% above the Arizona average and 2% above the national baseline. Counselor coverage works out to roughly 614 students per counselor, above the ASCA-recommended ceiling of 250:1. Chronic absenteeism — missing 10% or more of school days — stands at 63.0% according to the 2021-22 Civil Rights Data Collection.
On the finance side, the surrounding Union Elementary District (4277) spends $10,874 per pupil district-wide, below the Arizona average of $15,070 and below the national average of $19,490. Revenue comes 21.4% from local sources (property taxes), 53.1% from the state, and 25.6% from federal programs per the NCES F-33 finance survey. Taken together, these measurements produce a Resource Investment Index of 24/100 (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 Dos Rios Elementary 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 | 19:1 | ▲ 7% | 17.7:1 | 15.9:1 |
| Free-lunch eligible | 53.0% | ▲ 10% | 48.3% | 51.8% |
| Enrollment | 614 | top 73% | — | — |
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
53.0%
free-lunch eligible
— 10% 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
19:1
students per teacher
— 7% above state mean
Top 64% in Arizona — lower ratio than 36% of state schools
Between 15:1 and 20:1 — in line with the typical U.S. public-school staffing range.
Engagement
63.0%
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
$10,874
per pupil, district-wide
— below 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 614 students — the combined health-and-guidance staffing load for this school.
Discipline context
9
in-school suspensions + 25 out-of-school
Suspension rate: 1.5 per 100 students. Combined in-school and out-of-school rate: 5.5 per 100 students. Reported via the Civil Rights Data Collection.
Overview
Enrollment 614 Top 73% in Arizona — larger than 27% of 2,186 state schools
Teachers (FTE) 37.0
Students per teacher 19:1 +7% vs state
Free-lunch eligible 53.0% +10% vs state
NCES ID 040882002794
Student demographics
Hispanic or Latino 75.1%
African American 14.0%
White 3.9%
American Indian / Alaska Native 3.9%
Asian 1.5%
Native Hawaiian / Pacific Islander 1.1%
Two or More 0.5%
Largest group: Hispanic or Latino at 75.1% of enrollment.
Programs & staff
Gifted & talented Yes
Counselors (FTE) 1.0
Students per counselor 614:1
Discipline & special education
Chronically absent 63.0%
In-school suspensions 9
Out-of-school suspensions 25
Funding & spending
District-wide per-pupil expenditure for Union Elementary District (4277), which includes Dos Rios Elementary.
$10,874
Per student
-28%
vs Arizona
Avg $15,070
-44%
vs U.S.
Avg $19,490
Revenue mix
Local 21.4%
State 53.1%
Federal 25.6%
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
- 703
- Students per teacher
- 20.7:1
- Enrollment
- 313
- Students per teacher
- 20:1
Similar elementary schools in Tolleson
5 comparable elementary schools (grades K-5) serving the same city.
Country Place Elementary
Standard public school
900 students 19.1:1 students per teacher
Arts Academy at Estrella Mountain
Standard public school
895 students
Fine Arts Academy
Standard public school
811 students 21.3:1 students per teacher
Tres Rios Elementary School
Standard public school
713 students 19.7:1 students per teacher
Hurley Ranch Elementary
Standard public school
703 students 20.7:1 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 Dos Rios Elementary
How many students attend Dos Rios Elementary?
Dos Rios Elementary has 614 students enrolled. It is a elementary school in TOLLESON, AZ.
What is the student-teacher ratio at Dos Rios Elementary?
The student-teacher ratio at Dos Rios Elementary is 19:1, which is 7% higher than the Arizona average of 17.7:1 and 19% higher than the national average of 15.9:1.
What percentage of students receive free lunch at Dos Rios Elementary?
53.0% of students at Dos Rios Elementary are eligible for free lunch, compared to the Arizona average of 48.3%.
What is the racial and ethnic makeup of Dos Rios Elementary?
The largest demographic group at Dos Rios Elementary is Hispanic or Latino at 75.1%. The school serves a diverse student body in TOLLESON, AZ.
What is the Resource Investment Index for Dos Rios Elementary?
Dos Rios Elementary has a Resource Investment Index of 24/100 (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.