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 school year, there is 1 public preschool serving 313 students in Union Elementary District (4277).
Public Preschools in Union Elementary District (4277) have a diversity score of 0.41, which is less than the Arizona public preschool average of 0.64.
Minority enrollment is 97% of the student body (majority Hispanic), which is more than the Arizona public preschool average of 68% (majority Hispanic).

Overview

This School District
This State (AZ)
# Schools
4 Schools
858 Schools
# Students
1,630 Students
392,356 Students
# Teachers
89 Teachers
23,867 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 602 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%)
12%
34%
26%
40%
15%
24%

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