Union Elementary District (4277)

3834 S 91st Ave
Tolleson, AZ 85353-9394
(District boundaries shown in map)
: 
3/
10
Bottom 50%

Top Rankings

Union Elementary District (4277) ranks among the top 20% of public school district in Arizona for:

Category
Attribute
Community Size
Largest student body (number of students) (Top 1%)
For the 2026-27 school year, there are 4 public schools serving 1,630 students in Union Elementary District (4277). This district's average testing ranking is 3/10, which is in the bottom 50% of public schools in Arizona.
Public Schools in Union Elementary District (4277) have an average math proficiency score of 12% (versus the Arizona public school average of 34%), and reading proficiency score of 26% (versus the 41% statewide average).
Minority enrollment is 96% of the student body (majority Hispanic), which is more than the Arizona public school average of 67% (majority Hispanic).

Overview

This School District
This State (AZ)
# Schools
4 Schools
2,470 Schools
# Students
1,630 Students
1,108,833 Students
# Teachers
89 Teachers
61,988 Teachers
Student-Teacher Ratio
18:1
18:1

Student By Grade

District Rank

Union Elementary District (4277), which is ranked within the bottom 50% of all 599 school districts in Arizona (based off of combined math and reading proficiency testing data) for the 2022-2023 school year.
This School District
State Average (AZ)
#453 out of 618 school districts
(Bottom 50%)

Showing 2013–2023. Full 14-year historical data available below ↓

12%
34%

Showing 2013–2023. Full 14-year historical data available below ↓

26%
40%

Showing 2012–2022. Full 13-year historical data available below ↓

15%
24%
(2022-23)
55%
41.2%

Students by Ethnicity:

0.44
0.66

Showing 2014–2023. Full 36-year historical data available below ↓

% American Indian
3%
5%

Showing 2014–2023. Full 36-year historical data available below ↓

% Asian
1%
3%

Showing 2011–2023. Full 20-year historical data available below ↓

% Hispanic
73%
49%

Showing 2014–2023. Full 36-year historical data available below ↓

% Black
16%
6%

Showing 2014–2023. Full 21-year historical data available below ↓

% White
4%
33%

Showing 2014–2023. Full 36-year historical data available below ↓

% Hawaiian
1%
n/a
% Two or more races
2%
4%

Showing 2014–2023. Full 12-year historical data available below ↓

All Ethnic Groups

District Revenue and Spending

The revenue/student of $13,037 in this school district is less than the state median of $14,457. The school district revenue/student has grown by 14% over four school years.
The school district's spending/student of $12,381 is less than the state median of $13,869. The school district spending/student has grown by 13% over four school years.
This School District
This State (AZ)
Total Revenue
$21 MM
$16,030 MM

Showing 2014–2023. Full 34-year historical data available below ↓

Spending
$20 MM
$15,378 MM

Showing 2014–2023. Full 34-year historical data available below ↓

Revenue / Student
$13,037
$14,457

Showing 2014–2023. Full 34-year historical data available below ↓

Spending / Student
$12,381
$13,869

Showing 2014–2023. Full 34-year historical data available below ↓

Best Union Elementary District (4277) Public Schools (2026-27)

School
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Hurley Ranch Elementary School
(Math: 15% | Reading: 28%)
Rank:
3/
10
Bottom 50%
8950 W Illini Rd
Tolleson, AZ 85353
(623) 478-5100
Gr: 3-8 | 703 students Student-teacher ratio: 21:1 Minority enrollment: 95%
Rank: #22.
Dos Rios Elementary School
(Math: 8% | Reading: 23%)
Rank:
2/
10
Bottom 50%
2150 S 87th Ave
Tolleson, AZ 85353
(623) 474-7004
Gr: K-8 | 614 students Student-teacher ratio: 18:1 Minority enrollment: 96%
Rank: n/an/a
Union Connects
3834 S 91st Ave
Tolleson, AZ 85353
(623) 478-5005
Gr: K-8
Rank: n/an/a
3834 S 91st Ave
Tolleson, AZ 85353
(623) 478-5000
Gr: PK-2 | 313 students Student-teacher ratio: 15:1 Minority enrollment: 97%

Frequently Asked Questions

How many schools belong to Union Elementary District (4277)?
Union Elementary District (4277) manages 4 public schools serving 1,630 students.
What is the rank of Union Elementary District (4277)?
Union Elementary District (4277) is ranked #471 out of 599 school districts in Arizona (bottom 50%) based off of combined math and reading proficiency testing data for the 2022-2023 school year. This district ranks in the top 20% of Arizona school districts for: Largest student body (number of students) (Top 1%)
What is the racial composition of students in Union Elementary District (4277)?
73% of Union Elementary District (4277) students are Hispanic, 16% of students are Black, 4% of students are White, 3% of students are American Indian, 2% of students are Two or more races, 1% of students are Asian, and 1% of students are Hawaiian.
What is the student/teacher ratio of Union Elementary District (4277)?
Union Elementary District (4277) has a student/teacher ratio of 18:1, which is higher than the Arizona state average of 17:1.
What is Union Elementary District (4277)'s spending/student ratio?
The school district's spending/student of $12,381 is less than the state median of $13,869. The school district spending/student has grown by 13% over four school years.

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Quick Facts (26-27)

  • District size: 4 schools
  • Grades: PK-08
  • Enrollment: 1,630 students
  • Student-Teacher Ratio: 18:1
  • Minority Enrollment: 96%
  • : Bottom 50% in AZ
  • : 12% (Btm 50%)
  • : 26% (Btm 50%)
  • : 15% (Btm 50%)
  • Source: National Center for Education Statistics (NCES), AZ Dept. of Education

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