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.
Overall District Rank
#500 out of 631 school districts
(Bottom 50%)
(Bottom 50%)

Math Test Scores (% Proficient)
13%
35%

Reading/Language Arts Test Scores (% Proficient)
26%
40%

Science Test Scores (% Proficient)
15%
24%
Students by Ethnicity:
Diversity Score
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.
Total Revenue
$17 MM
$12,837 MM

Spending
$17 MM
$12,727 MM

Revenue / Student
$10,247
$11,421

Spending / Student
$10,305
$11,323

Best Union Elementary District (4277) School District Public Preschools (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Grades
Students
Rank: n/an/a
3834 S 91st Ave
Tolleson, AZ 85353
(623) 478-5000
Tolleson, AZ 85353
(623) 478-5000
Grades: PK-2
| 348 students
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