- Enrollment
- 703
- Students per teacher
- 22:1
- Resource Index
- 21/100
Other / mixed grade configuration · Tolleson, AZ
Union Elementary School
Federal NCES profile for Union Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 22/100.
2024-25 NCES dataOther / mixed grade configurationNCES 040882000908
👥 S:T ratio 22
🌟 Gifted program 30
🎓 Counselors 37
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Union Elementary School earns 22/100 on the Resource Investment Index, with class sizes larger than 74% of Arizona schools.
- #2 of 3
- schools in Tolleson · Resource Index
- 22
- Resource Index · Lower
- 19.6:1
- large classes for Arizona
- 60.0%
- free-lunch eligible
Union Elementary School has class sizes larger than 74% of Arizona schools. Computed live against every Arizona school reporting to NCES.
By Resource Investment Index, Union Elementary School ranks #2 of 3 schools in Tolleson, AZ.
School address
District: Union Elementary District (4277) · Arizona
NCES ID 040882000908 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+28 students YoY
Union Elementary School grew from 320 students in 2022-23 to 348 in 2023-24 (+8.8%).
Teacher FTE added 16.0 → 20.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Growing CCD campus
+28 students YoY 040882000908 · Tolleson, AZ Other · SMALL · TRAD
313 enr · 19.6:1 · 60.0% lunch · RII 22
Nearest enrollment peer: Hurley Ranch Elementary (703 students)
Union Elementary School grew from 320 students in 2022-23 to 348 in 2023-24 (+8.8%). Teacher FTE added 16.0 → 20.0 across the same CCD years. Read with this school → · District book → · Arizona schools → · Find another →
Union Elementary School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Hurley Ranch E
Hurley Ranch Elementary
703 students
- Dos Rios Eleme
Dos Rios Elementary
614 students
- This school
Union Elementary School
313 students
What this shows Union Elementary School reports 313 students on the CCD universe file.
How Union Elementary School compares
Union Elementary School is a growing 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 | 19.6:1 | ▲ 15% | 17:1 | 15.7:1 |
| Free-lunch eligible | 60.0% | ▲ 24% | 48.3% | 51.7% |
| Enrollment | 313 | top 61% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
19.6:1
Leaner classes than 17% of US schools, heavier class loads than most.
313
Bigger than 34% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
60.0%
free-lunch eligible
- 24% 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
19.6:1
students per teacher
- 15% above state mean
Top 74% in Arizona - lower ratio than 26% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
56.5%
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 313 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
Hispanic or Latino 74.8%
African American 17.3%
White 3.2%
American Indian / Alaska Native 1.6%
Two or More 1.6%
Native Hawaiian / Pacific Islander 1.3%
Asian 0.3%
Largest group: Hispanic or Latino at 74.8% of enrollment.
Student-body diversity index 40.9/100
Simpson diversity index - at 40.9, Union Elementary School is less mixed than the Arizona school average of 47.2.
Programs
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 Union Elementary School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Hurley Ranch Elementary | Larger | Similar economic need | Higher S:T ratio |
| Dos Rios Elementary | Larger | Similar economic need | Lower S:T ratio |
Comparisons are relative to Union Elementary School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 614
- Students per teacher
- 16.6:1
- Resource Index
- 26/100
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 (~313 students)
Frequently asked questions about Union Elementary School
How many students attend Union Elementary School?
Union Elementary School has 313 students enrolled. It is a public school in Tolleson, AZ. CCD year-over-year: 320 (2022-23) → 348 (2023-24), up 28.
What is the student-teacher ratio at Union Elementary School?
The student-teacher ratio at Union Elementary School is 19.6:1, which is 15% higher than the Arizona average of 17:1 and 25% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Union Elementary School?
60.0% of students at Union Elementary School are eligible for free lunch, compared to the Arizona average of 48.3%.
What is the racial and ethnic makeup of Union Elementary School?
The largest demographic group at Union Elementary School is Hispanic or Latino at 74.8% of enrollment, in Tolleson, AZ.
What is the Resource Investment Index for Union Elementary School?
Union Elementary School has a Resource Investment Index of 22/100 (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 Union Elementary School rank among schools in Tolleson?
By Resource Investment Index, Union Elementary School ranks #2 of 3 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 schools in Tolleson on the city page.
What other schools are in Union Elementary District (4277)?
Besides Union Elementary School, Union Elementary District (4277) also operates Hurley Ranch Elementary (703 students) and Dos Rios Elementary (614 students). See the Union Elementary District (4277) district page for the complete list.