Union Elementary District (4277) School District

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

Top Rankings

Union Elementary District (4277) School District 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 2025 school year, there is 1 public preschool serving 348 students in Union Elementary District (4277) School District.
Public Preschools in Union Elementary District (4277) School District have a diversity score of 0.42, which is less than the Arizona public preschool average of 0.64.
Minority enrollment is 95% of the student body (majority Hispanic), which is more than the Arizona public preschool average of 67% (majority Hispanic).

Overview

This School District
This State (AZ)
# Schools
3 Schools
841 Schools
# Students
1,663 Students
395,515 Students
# Teachers
97 Teachers
23,860 Teachers
Student : Teacher Ratio
17:1
17:1

District Rank

Union Elementary District (4277) School District, which is ranked within the bottom 50% of all 607 school districts in Arizona (based off of combined math and reading proficiency testing data) for the 2021-2022 school year.
This School District
State Average (AZ)
#500 out of 631 school districts
(Bottom 50%)
This chart displays the overall district rank of Union Elementary District (4277)  School District, with the latest 2021-22 school year data.
13%
35%
This chart displays the percentage of public school students that scored at or above 'proficient' levels in Math of Union Elementary District (4277)  School District and the percentage of public school students that scored at or above 'proficient' levels in Math of Arizona by year, with the latest 2021-22 school year data.
26%
40%
This chart displays the percentage of public school students that scored at or above 'proficient' levels in Reading/Language Arts of Union Elementary District (4277)  School District and the percentage of public school students that scored at or above 'proficient' levels in Reading/Language Arts of Arizona by year, with the latest 2021-22 school year data.
15%
24%

Students by Ethnicity:

0.45
0.64
# American Indian Students
53 Students
17,006 Students
% American Indian Students
3%
4%
# Asian Students
21 Students
9,623 Students
% Asian Students
1%
3%
# Hispanic Students
1,204 Students
195,352 Students
% Hispanic Students
72%
49%
# Black Students
276 Students
22,513 Students
% Black Students
17%
6%
# White Students
80 Students
131,530 Students
% White Students
5%
33%
# Hawaiian Students
11 Students
1,496 Students
% Hawaiian Students
1%
n/a
# Two or more races Students
18 Students
17,995 Students
% of Two or more races Students
1%
5%

Students by Grade:

# Students in PK Grade:
30
20,476
# Students in K Grade:
153
45,750
# Students in 1st Grade:
184
49,579
# Students in 2nd Grade:
181
52,288
# Students in 3rd Grade:
164
49,880
# Students in 4th Grade:
195
51,327
# Students in 5th Grade:
184
49,953
# Students in 6th Grade:
184
37,491
# Students in 7th Grade:
179
18,851
# Students in 8th Grade:
209
19,086
# Students in 9th Grade:
-
56
# Students in 10th Grade:
-
82
# Students in 11th Grade:
-
63
# Students in 12th Grade:
-
168
# Ungraded Students:
-
465

District Revenue and Spending

The revenue/student of $10,247 in this school district is less than the state median of $11,421. The school district revenue/student has stayed relatively flat over four school years.
The school district's spending/student of $10,305 is less than the state median of $11,323. The school district spending/student has stayed relatively flat over four school years.
This School District
This State (AZ)
Total Revenue
$17 MM
$12,837 MM
This chart displays total revenue of Union Elementary District (4277)  School District and median value from total revenues of all school districts in Arizona by year, with the latest 2020-21 school year data.
Spending
$17 MM
$12,727 MM
This chart displays total spending of Union Elementary District (4277)  School District and median value from total spendings of all school districts in Arizona by year, with the latest 2020-21 school year data.
Revenue / Student
$10,247
$11,421
This chart displays average revenue per public school student in Union Elementary District (4277)  School District and average revenue per public school student of all school districts in Arizona by year, with the latest 2020-21 school year data.
Spending / Student
$10,305
$11,323
This chart displays average spending per public school student in Union Elementary District (4277)  School District and average spending per public school student of all school districts in Arizona by year, with the latest 2020-21 school year data.

Best Union Elementary District (4277) School District Public Preschools (2025)

School
(Math and Reading Proficiency)
Location
Grades
Students
3834 S 91st Ave
Tolleson, AZ 85353
(623) 478-5000
Grades: PK-2
| 348 students

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Quick Stats (2025)

  • District size: 3 schools
  • Grades: PK-08
  • Enrollment: 1,663 students
  • Student:Teacher Ratio: 17:1
  • Minority Enrollment: 95%
  • : Bottom 50% in AZ
  • : 13% (Btm 50%)
  • : 26% (Btm 50%)
  • : 15% (Btm 50%)
  • Source: National Center for Education Statistics (NCES), AZ Dept. of Education

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