- Enrollment
- 703
- Students per teacher
- 22:1
- Resource Index
- 21/100
Elementary school (grades K-5) · Tolleson, AZ
Dos Rios Elementary
Federal NCES profile for Dos Rios Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 26/100.
2024-25 NCES dataElementary school (grades K-5)NCES 040882002794
👥 S:T ratio 34
🌟 Gifted program 70
🎓 Counselors 0
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Dos Rios Elementary earns 26/100 on the Resource Investment Index, with class sizes near the Arizona median.
- #4 of 6
- elementary schools in Tolleson · Resource Index
- 26
- Resource Index · Lower
- 16.6:1
- students per teacher
- 53.0%
- free-lunch eligible
Dos Rios Elementary has class sizes near the Arizona median. Computed live against every Arizona school reporting to NCES.
By Resource Investment Index, Dos Rios Elementary ranks #4 of 6 elementary schools in Tolleson, AZ.
School address
District: Union Elementary District (4277) · Arizona
NCES ID 040882002794 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-53 students YoY
Dos Rios Elementary shrank from 702 students in 2022-23 to 649 in 2023-24 (-7.5%).
Teacher FTE added 37.0 → 39.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Shrinking CCD campus
-53 students YoY 040882002794 · Tolleson, AZ Elementary · MID · TRAD
614 enr · 16.6:1 · 53.0% lunch · RII 26
Nearest enrollment peer: Hurley Ranch Elementary (703 students)
Dos Rios Elementary shrank from 702 students in 2022-23 to 649 in 2023-24 (-7.5%). Teacher FTE added 37.0 → 39.0 across the same CCD years. Read with this school → · District book → · Arizona schools → · Find another →
Dos Rios Elementary in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Hurley Ranch E
Hurley Ranch Elementary
703 students
- This school
Dos Rios Elementary
614 students
- Union Elementa
Union Elementary School
313 students
What this shows Dos Rios Elementary reports 614 students on the CCD universe file.
How Dos Rios Elementary compares
Dos Rios Elementary 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 | 16.6:1 | ▼ 2% | 17:1 | 15.7:1 |
| Free-lunch eligible | 53.0% | ▲ 10% | 48.3% | 51.7% |
| Enrollment | 614 | top 27% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
16.6:1
Leaner classes than 33% of US schools, heavier class loads than most.
614
Bigger than 74% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
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
16.6:1
students per teacher
- 2% below state mean
Top 51% in Arizona - lower ratio than 49% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
63.0%
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
$10,823
per pupil, district-wide
- below Arizona avg of $13,502
Well below the U.S. average per-pupil spend, a notably leaner funding position that 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.
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.
Student-body diversity index 41.3/100
Simpson diversity index - at 41.3, Dos Rios Elementary is less mixed than the Arizona school average of 47.2.
Programs
Gifted & talented Yes
District finance for Union Elementary District (4277) reports $10,823 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Dos Rios Elementary Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Hurley Ranch Elementary | Similar size | Similar economic need | Higher S:T ratio |
| Union Elementary School | Smaller | Similar economic need | Higher S:T ratio |
Comparisons are relative to Dos Rios Elementary's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 313
- Students per teacher
- 19.6:1
- Resource Index
- 22/100
Similar elementary schools in Tolleson
1 comparable elementary schools (grades K-5) serving the same city.
Nationwide elementary 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 (~614 students)
Frequently asked questions about Dos Rios Elementary
How many students attend Dos Rios Elementary?
Dos Rios Elementary has 614 students enrolled. It is an elementary school in Tolleson, AZ. CCD year-over-year: 702 (2022-23) → 649 (2023-24), down 53.
What is the student-teacher ratio at Dos Rios Elementary?
The student-teacher ratio at Dos Rios Elementary is 16.6:1, which is 2% lower than the Arizona average of 17:1 and 6% higher than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
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% of enrollment, in Tolleson, AZ.
What is the Resource Investment Index for Dos Rios Elementary?
Dos Rios Elementary has a Resource Investment Index of 26/100 (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 Dos Rios Elementary rank among elementary schools in Tolleson?
By Resource Investment Index, Dos Rios Elementary ranks #4 of 6 elementary schools in Tolleson, 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 Tolleson on the city page.
What other schools are in Union Elementary District (4277)?
Besides Dos Rios Elementary, Union Elementary District (4277) also operates Hurley Ranch Elementary (703 students) and Union Elementary School (313 students). See the Union Elementary District (4277) district page for the complete list.