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SCHOOL COMMUNITY·UNION ELEMENTARY DISTRICT (4277)·NCES 040882002794

Dos Rios Elementary

2150 S 87TH AVE, TOLLESON, AZ 85353 · (623) 474-7004 · Maricopa County
GRADES KG–08ELEMENTARY11-CITYREGULAR SCHOOL614 STUDENTS
Enrollment
614
Elementary
DISTRICT 464 · STATE 451
Student : Teacher
18.3:1
34 FTE teachers
DISTRICT 16.6:1 · STATE 17.0:1
Free / Reduced Lunch
,
Title I proxy
STATE 95%
Community
2
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade
Kindergarten
56
Grade 1
63
Grade 2
61
Grade 3
74
Grade 4
59
Grade 5
79
Grade 6
71
Grade 7
83
Grade 8
68
Student demographics
White
244%
DISTRICT 4% · STATE 33%
Hispanic
46175%
DISTRICT 73% · STATE 48%
Black
8614%
DISTRICT 16% · STATE 6%
Asian
91%
DISTRICT 1% · STATE 3%
Two+
30%
DISTRICT 1% · STATE 4%
Native American
244%
DISTRICT 3% · STATE 5%
Pacific Islander
71%
DISTRICT 1% · STATE 0%
Student head counts by race/ethnicity from federal NCES enrollment data. Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
33955%
Female
27545%

Discussions

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Test scores

AASA 2023-24 . % Passing
English Language Arts
2.0%
AZ avg 42.2% . -30.0pp since 2017
Math
6.0%
AZ avg 35.1% . -19.0pp since 2017
Source: AASA. All students, all grades. See all years and grades →

7-year change

SY 2017-18 vs SY 2024-25
Enrollment
614
-107 (-15%) vs 2017
Student : Teacher
18.3:1
was 21.2:1
% White
4%
was 7%
% Hispanic
75%
was 74%
% Black
14%
was 14%
% Asian
1%
was 1%
Source: NCES Common Core of Data

About Dos Rios Elementary

As a reasonably sized primary school in TOLLESON, Arizona, Dos Rios Elementary hosts 614 students from grades K through 8, run under Union Elementary District (4277). Enrollment runs roughly 36% bigger than the state mean of about 451.

Union Elementary District (4277) comprises 3 schools with combined enrollment of 1,630 students; Dos Rios Elementary is among them.

On the student-mix side, Dos Rios Elementary lists that 75% of the student body identifies as Hispanic; the rest consists of 14% Black, 4% White, 4% Native American. That is considerably more Hispanic than the county at large, where the share is closer to 31%.

Looking at school resources, Staff filings list 34 full-time-equivalent teachers, which works out to roughly 18.3:1 students per teacher. Statewide, the average ratio sits near 17.0:1, putting Dos Rios Elementary higher than the state norm the norm.

In the area at large, ACS estimates for Maricopa County put median household income runs about $89,300, roughly 37% of adults have completed at least a four-year degree, and census figures put the poverty rate at about 8%. Across Maricopa County's 1352 public schools (combined enrollment of about 725,139 students), Dos Rios Elementary is one campus in the mix.

Arts Academy at Estrella Mountain is the nearest neighboring public school, about 0.6 miles from this campus. 8 of the 8 nearest public schools sit inside a five-mile radius.

Geographically, the school is in an urban area.

Looking at the recent track record. Over the past 7-year window, the student count declined 15%: 721 students in 2018 compared to 614 in 2025. The student-to-teacher ratio pulled in from 21.2:1 in 2018 to 18.3:1 today.

On this page, the page collects discussion, questions, and updates around pickup logistics, teacher feedback, and after-school programs. The community welcomes input from current and former families.

Maricopa County at a glance

View full county profile
Population
4,559,748
Census ACS
Median income
$89,300
Household, ACS
Bachelor's+
37%
Adults 25+
Poverty rate
8%
Below federal line
Schools in county
1,352
725,139 students

Quick facts

School name
Dos Rios Elementary
District
Union Elementary District (4277)
Address
2150 S 87TH AVE, TOLLESON, AZ 85353
Phone
(623) 474-7004
County
Maricopa County
Level
Elementary
Grade range
KG–08
Total enrollment
614
Teachers (FTE)
34
Student–teacher ratio
18.3:1
Locale
11-City: Large
NCES ID
040882002794
Charter school
No
Virtual school
No

Related schools

Other schools in Union Elementary District (4277)
Other schools in TOLLESON
Nearby schools

Frequently asked questions

About Dos Rios Elementary
What is the total enrollment at Dos Rios Elementary?
Dos Rios Elementary enrolls approximately 614 students in grades KG-08.
What age range does Dos Rios Elementary serve?
Dos Rios Elementary serves students from grade KG through grade 08.
How many teachers does Dos Rios Elementary have?
Dos Rios Elementary employs 34 FTE teachers, for a student-to-teacher ratio of 18.3:1.
How diverse is Dos Rios Elementary?
Dos Rios Elementary reports a student body of 4% White, 75% Hispanic, 14% Black, 1% Asian, 0% Two or more.
Who oversees Dos Rios Elementary?
Dos Rios Elementary is overseen by Union Elementary District (4277) in Maricopa County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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