Item: Union Elementary District (4277) School District
Rating: 3
Author: ÿ�ճԹ�

Home > Arizona > Maricopa County

Union Elementary District (4277) School District

3834 S 91st Ave
Tolleson, AZ 85353-9394

( shown in map)

Bottom 50%

Tel: (623) 478-5004

Top Rankings

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

Overview

This School District

This State (AZ)

# Schools

3 Schools

2,476 Schools

# Students

1,663 Students

1,124,009 Students

# Teachers

97 Teachers

50,048 Teachers

Student : Teacher Ratio

17:1

Student By Grade

View Data

Comparison of Students By Grade Trends
Grade	Union Elementary District (4277) School District	Arizona
Pre-K	30	29
Kind	153	103
1	184	111
2	181	116
3	164	113
4	195	117
5	184	117
6	184	117
7	179	118
8	209	120

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

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 2022-2023 school year.

This School District

State Average (AZ)

#500 out of 631 school districts
(Bottom 50%)

View Data

Overall School District Rank Trends
Year	Union Elementary District (4277) School District
2022	#500
2021	#462
2019	#483
2018	#494
2017	#479
2016	#475
2015	#493
2014	#433
2013	#365
2012	#331
2011	#335

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

(22-23)

12%

34%

View Data

Math Proficiency Trends
Year	Union Elementary District (4277) School District	Arizona
2023	12%	34%
2022	13%	35%
2021	12%	32%
2019	25%	45%
2018	23%	45%
2017	23%	42%
2016	22%	39%
2015	23%	38%
2014	47%	63%
2013	52%	63%
2012	56%	63%

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

26%

40%

View Data

Reading and Language Arts Proficiency Trends
Year	Union Elementary District (4277) School District	Arizona
2022	26%	40%
2021	23%	39%
2019	29%	45%
2018	23%	44%
2017	25%	42%
2016	24%	40%
2015	23%	38%
2014	67%	79%
2013	68%	78%
2012	68%	77%
2011	66%	77%

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

15%

24%

Students by Ethnicity:

0.45

0.66

View Data

Comparison of Diversity Score Trends
Year	Union Elementary District (4277) School District	Arizona
2023	0.46	0.65
2022	0.45	0.65
2021	0.44	0.66
2020	0.41	0.65
2019	0.41	0.65
2018	0.40	0.65
2017	0.40	0.65
2016	0.42	0.65
2015	0.44	0.64
2014	0.46	0.64
2013	0.46	0.64
2012	0.48	0.64
2011	0.46	0.65
2010	0.46	0.64
2009	0.48	0.64
2008	0.50	0.63
2007	0.54	0.63
2006	0.59	0.63
2005	0.57	0.62
2004	0.54	0.63
2003	0.63	0.63
2002	0.48	0.62
2001	0.47	0.62
2000	0.47	0.62
1999	0.42	0.60
1998	0.39	0.59
1997	0.41	0.58
1996	0.40	0.58
1995	0.42	0.58
1994	0.34	0.57
1993	0.48	0.56
1992	0.40	0.56
1991	0.29	0.54

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

% American Indian

View Data

American Indian Student Percentage Comparison Over Years (1991-2023)
Year	Union Elementary District (4277) School District	Arizona
2023	4%	5%
2022	3%	5%
2021	3%	5%
2020	2%	6%
2019	2%	6%
2018	2%	6%
2017	2%	6%
2016	1%	5%
2015	2%	5%
2014	3%	5%
2013	2%	5%
2012	3%	5%
2011	3%	7%
2010	4%	6%
2009	2%	6%
2008	4%	5%
2007	6%	6%
2006	8%	7%
2005	10%	7%
2004	11%	8%
2003	22%	8%
2002	62%	8%
2001	64%	8%
2000	66%	8%
1999	70%	7%
1998	77%	7%
1997	78%	7%
1996	79%	7%
1995	77%	7%
1994	85%	7%
1993	75%	7%
1992	75%	8%
1991	83%	6%

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

% Asian

View Data

Asian Student Percentage Comparison Over Years (2004-2023)
Year	Union Elementary District (4277) School District	Arizona
2023	1%	3%
2021	1%	3%
2020	1%	3%
2019	1%	3%
2016	1%	3%
2015	1%	3%
2014	2%	3%
2013	3%	3%
2012	3%	3%
2011	3%	3%
2010	3%	3%
2009	3%	3%
2008	5%	3%
2007	5%	3%
2006	3%	2%
2005	1%	2%
2004	1%	2%

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

% Hispanic

72%

48%

View Data

Hispanic Student Percentage Comparison Over Years (1991-2023)
Year	Union Elementary District (4277) School District	Arizona
2023	71%	47%
2022	72%	47%
2021	74%	46%
2020	76%	45%
2019	76%	45%
2018	77%	45%
2017	77%	45%
2016	75%	45%
2015	73%	45%
2014	72%	44%
2013	72%	43%
2012	71%	43%
2011	72%	42%
2010	72%	41%
2009	70%	41%
2008	69%	42%
2007	66%	41%
2006	61%	39%
2005	62%	38%
2004	65%	37%
2003	55%	36%
2002	37%	35%
2001	35%	33%
2000	32%	33%
1999	30%	32%
1998	24%	31%
1997	20%	30%
1996	30%	30%
1995	30%	29%
1994	27%	28%
1993	35%	27%
1992	18%	25%
1991	14%	25%

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

% Black

17%

View Data

Black Student Percentage Comparison Over Years (2003-2023)
Year	Union Elementary District (4277) School District	Arizona
2023	17%	6%
2022	16%	6%
2021	14%	6%
2020	14%	5%
2019	14%	5%
2018	12%	5%
2017	12%	5%
2016	14%	5%
2015	15%	5%
2014	14%	5%
2013	14%	5%
2012	14%	5%
2011	14%	5%
2010	14%	6%
2009	16%	6%
2008	13%	6%
2007	16%	5%
2006	16%	5%
2005	17%	5%
2004	13%	5%
2003	11%	5%

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

% White

34%

View Data

White Student Percentage Comparison Over Years (1990-2023)
Year	Union Elementary District (4277) School District	Arizona
2023	6%	35%
2022	7%	35%
2021	6%	36%
2020	5%	38%
2019	5%	38%
2018	8%	38%
2017	8%	38%
2016	8%	39%
2015	8%	40%
2014	7%	41%
2013	8%	42%
2012	8%	42%
2011	8%	42%
2010	7%	44%
2009	9%	44%
2008	9%	44%
2007	7%	45%
2006	12%	47%
2005	10%	48%
2004	10%	48%
2003	12%	49%
2002	1%	50%
2001	1%	52%
2000	2%	53%
1998	1%	56%
1997	6%	57%
1995	1%	58%
1993	5%	60%
1992	7%	61%
1991	3%	65%
1990	1%	66%

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

% Hawaiian

n/a

% Two or more races

View Data

Two or More Races Student Percentage Comparison Over Years (2013-2023)
Year	Union Elementary District (4277) School District	Arizona
2023	1%	4%
2022	1%	4%
2021	2%	4%
2020	2%	3%
2019	2%	3%
2018	1%	3%
2017	1%	3%
2016	1%	3%
2015	1%	2%
2014	2%	2%
2013	1%	2%

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

All Ethnic Groups

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

View Data

Total Revenues Trends
Year	Union Elementary District (4277) School District	Arizona
2021	$17MM	$4MM
2020	$16MM	$4MM
2019	$17MM	$4MM
2018	$14MM	$4MM
2017	$15MM	$4MM
2016	$15MM	$3MM
2015	$12MM	$3MM
2014	$12MM	$3MM
2012	$10MM	$3MM
2011	$12MM	$3MM
2010	$12MM	$3MM
2009	$12MM	$2MM
2008	$16MM	$2MM
2007	$18MM	$2MM
2006	$9MM	$2MM
2005	$11MM	$2MM
2004	$5MM	$2MM
2003	$2MM	$2MM
2002	$3MM	$2MM
2001	$2MM	$1MM
2000	$1MM	$8MM
1999	$1MM	$2MM
1998	$1MM	$2MM
1997	$1MM	$7MM
1996	$1MM	$6MM
1995	$1MM	$6MM
1992	$1MM	$5MM
1990	0	$5MM

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

Spending

$17 MM

$12,727 MM

View Data

Total Expenditure Trends
Year	Union Elementary District (4277) School District	Arizona
2021	$17MM	$4MM
2020	$16MM	$4MM
2019	$17MM	$4MM
2018	$14MM	$4MM
2017	$15MM	$3MM
2016	$14MM	$3MM
2015	$13MM	$2MM
2014	$12MM	$3MM
2012	$12MM	$3MM
2011	$12MM	$2MM
2010	$13MM	$2MM
2009	$11MM	$2MM
2008	$12MM	$2MM
2007	$20MM	$2MM
2006	$11MM	$2MM
2005	$11MM	$2MM
2004	$5MM	$1MM
2003	$2MM	$1MM
2002	$3MM	$1MM
2001	$2MM	$2MM
2000	$1MM	$8MM
1999	$1MM	$2MM
1998	$1MM	$2MM
1997	$1MM	$6MM
1996	$1MM	$6MM
1995	$1MM	$6MM
1992	$1MM	$5MM
1990	$1MM	$4MM

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

Revenue / Student

$10,247

$11,421

View Data

Average Revenue Per Student Trends
Year	Union Elementary District (4277) School District	Arizona
2021	$10,545	$11,986
2020	$8,911	$10,794
2019	$9,216	$11,173
2018	$7,288	$11,763
2017	$7,714	$10,306
2016	$7,358	$9,541
2015	$5,932	$9,449
2014	$6,276	$8,489
2012	$5,935	$9,312
2011	$6,969	$9,958
2010	$7,134	$9,449
2009	$6,701	$9,374
2008	$8,999	$9,689
2007	$12,778	$9,028
2006	$8,433	$7,988
2005	$23,268	$7,640
2004	$13,505	$7,113
2003	$10,146	$6,846
2002	$35,438	$7,000
2001	$23,793	$5,056
2000	$13,233	$26,222
1999	$10,545	$5,976
1998	$8,757	$5,422
1997	$6,142	$15,154
1995	$7,459	$5,429

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

Spending / Student

$10,305

$11,323

View Data

Average Expenditure Per Student Trends
Year	Union Elementary District (4277) School District	Arizona
2021	$10,605	$11,177
2020	$8,723	$10,562
2019	$9,292	$10,609
2018	$7,587	$11,165
2017	$7,560	$9,883
2016	$6,754	$8,430
2015	$6,276	$8,879
2014	$6,339	$8,678
2012	$6,728	$9,270
2011	$7,103	$9,464
2010	$7,548	$8,879
2009	$6,425	$8,323
2008	$6,543	$8,177
2007	$14,243	$7,648
2006	$10,027	$7,012
2005	$23,985	$6,644
2004	$12,169	$6,165
2003	$8,132	$5,701
2002	$36,384	$6,081
2001	$27,280	$6,763
2000	$12,836	$24,897
1999	$8,750	$6,021
1998	$7,198	$5,233
1997	$6,655	$13,894
1995	$6,303	$5,519

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

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

School
(Math and Reading Proficiency)

Location

Grades

Students

Rank: #11.

Hurley Ranch Elementary School

(Math: 16% | Reading: 28%)
:

Bottom 50%

Add to Compare

8950 W Illini Rd
Tolleson, AZ 85353
(623) 478-5100

Grades: 3-8

| 666 students

Rank: #22.

Dos Rios Elementary School

(Math: 9% | Reading: 23%)
:

Bottom 50%

Add to Compare

2150 S 87th Ave
Tolleson, AZ 85353
(623) 474-7004

Grades: K-8

| 649 students

Rank: n/an/a

Union Elementary School

Add to Compare

3834 S 91st Ave
Tolleson, AZ 85353
(623) 478-5000

Grades: PK-2

| 348 students

Frequently Asked Questions

How many schools belong to Union Elementary District (4277) School District?

Union Elementary District (4277) School District manages 3 public schools serving 1,663 students.

What is the rank of Union Elementary District (4277) School District?

Union Elementary District (4277) School District is ranked #491 out of 607 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) School District?

72% of Union Elementary District (4277) School District students are Hispanic, 17% of students are Black, 5% of students are White, 3% of students are American Indian, 1% of students are Asian, 1% of students are Hawaiian, and 1% of students are Two or more races.

What is the student/teacher ratio of Union Elementary District (4277) School District?

Union Elementary District (4277) School District has a student/teacher ratio of 17:1, which is lower than the Arizona state average of 18:1.

What is Union Elementary District (4277) School District's spending/student ratio?

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.

Recent Articles

July 21, 2025

Understanding Self-Contained Classrooms in Public Schools

Learn about the history of public schools incorporating self-contained classrooms, and whether they are right for your child.

July 18, 2025

Can Naviance Succeed Improve College and Career Readiness?

Learn about a new student assessment system, Naviance Succeed, which provides tools and support to increase student college and career readiness. A number of school districts are using the tool this year in hopes of improving student performance through more accurate assessment process than are currently available.

July 18, 2025

Do You Need After School Day Care? Public Schools May Be the Solution

Learn about how your child's public school may be the best source of after school and vacation day care.

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
: 12% (Btm 50%)
: 26% (Btm 50%)
: 15% (Btm 50%)
Source: National Center for Education Statistics (NCES), AZ Dept. of Education