Serving 713 students in grades Kindergarten-8, Tres Rios Elementary School ranks in the bottom 50% of all schools in Arizona for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 18% (which is lower than the Arizona state average of 34%). The percentage of students achieving proficiency in reading/language arts is 23% (which is lower than the Arizona state average of 40%).
Minority enrollment is 97% of the student body (majority Hispanic), which is higher than the Arizona state average of 67% (majority Hispanic).
Quick Facts (2026-27)
- Grades: Kindergarten-8
- Enrollment: 713 students
- Minority Enrollment: 97%
- Overall Testing Rank: Bottom 50% in AZ
- Math Proficiency: 18% (Btm 50%)
- Reading Proficiency: 23% (Btm 50%)
- Science Proficiency: 10-14% (Btm 50%)
- Attendance Zone: Tres Rios Elementary School serves the southern part of Tolleson, AZ, covering an attendance zone of approximately 16.4 square miles. Families can typically expect a drive of 5-10 minutes to the school, with the furthest edge of the zone located about 6.2 miles away.
- Source: National Center for Education Statistics (NCES), AZ Dept. of Education
School Overview
Tres Rios Elementary School's student population of 713 students has declined by 5% over five school years.
Grades Offered
Grades Kindergarten-8
(No virtual instruction)
(No virtual instruction)
Total Students
713 students
Total Classroom Teachers (23-24)
38 teachers
School Calendar
School Motto
Empowering Our Students to Lead, Advocate, and Serve
School Rankings
Tres Rios Elementary School ranks within the bottom 50% of all 1,921 schools in Arizona (based off of combined math and reading proficiency testing data).
The diversity score of Tres Rios Elementary School is 0.30, which is less than the diversity score at state average of 0.66. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#1389 out of 1921 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
18%
34%
Reading/Language Arts Test Scores (% Proficient)
23%
40%
Science Test Scores (% Proficient)
10-14%
24%
Student-Teacher Ratio
n/a
17:1
American Indian
n/a
5%
Asian
1%
3%
Hispanic
83%
49%
Black
11%
6%
White
3%
33%
Hawaiian
n/a
n/a
Two or more races
2%
4%
All Ethnic Groups
Chronically Absent Students
(22-23)41.7%
41.2%
Eligible for Free Lunch
86%
41%
Eligible for Reduced Lunch
20%
10%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), AZ Dept. of Education
Frequently Asked Questions
What is Tres Rios Elementary School's ranking?
Tres Rios Elementary School is ranked #1389 out of 1,921 schools, which ranks it among the bottom 50% of public schools in Arizona.
What schools are Tres Rios Elementary School often compared to?
Tres Rios Elementary Schoolis often viewed alongside schools like Country Place Elementary School, Littleton Elementary School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
18% of students have achieved math proficiency (compared to the 34% AZ state average), while 23% of students have achieved reading proficiency (compared to the 40% AZ state average).
How many students attend Tres Rios Elementary School?
713 students attend Tres Rios Elementary School.
What is the racial composition of the student body?
83% of Tres Rios Elementary School students are Hispanic, 11% of students are Black, 3% of students are White, 2% of students are Two or more races, and 1% of students are Asian.
What grades does Tres Rios Elementary School offer ?
Tres Rios Elementary School offers enrollment in grades Kindergarten-8 (No virtual instruction).
What school district is Tres Rios Elementary School part of?
Tres Rios Elementary School is part of Littleton Elementary District (4278).
In what neighborhood is Tres Rios Elementary School located?
Tres Rios Elementary School is located in the Estrella Village neighborhood of Tolleson, AZ. There are 5 other public schools located in Estrella Village.
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