Rio Colorado Elementary School

1055 N. Main Street
San Luis, AZ 85349
(School attendance zone shown in map)
4/
10
Bottom 50%
Serving 523 students in grades Prekindergarten-6, Rio Colorado Elementary School ranks in the bottom 50% of all schools in Arizona for overall test scores (math proficiency is top 50%, and reading proficiency is top 50%).
The percentage of students achieving proficiency in math is 30% (which is lower than the Arizona state average of 34%). The percentage of students achieving proficiency in reading/language arts is 18% (which is lower than the Arizona state average of 40%).
The student-teacher ratio of 25:1 is higher than the Arizona state level of 17:1.
Minority enrollment is 98% of the student body (majority Hispanic), which is higher than the Arizona state average of 67% (majority Hispanic).

Quick Facts (2026)

  • Grades: Prekindergarten-6
  • Enrollment: 523 students
  • Student-Teacher Ratio: 25:1
  • Minority Enrollment: 98%
  • : Bottom 50% in AZ
  • : 30% (Top 50%)
  • : 18% (Btm 50%)
  • : 10-14% (Btm 50%)
  • Source: National Center for Education Statistics (NCES), AZ Dept. of Education

School Overview

Rio Colorado Elementary School's student population of 523 students has grown by 5% over five school years.
The teacher population of 21 teachers has grown by 40% over five school years.
Grades Offered
Grades Prekindergarten-6
(No virtual instruction)
View AI Prompt
Total Students
523 students
View AI Prompt
Total Classroom Teachers
21 teachers
View AI Prompt
School Calendar

School Rankings

Rio Colorado 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 Rio Colorado Elementary School is 0.04, 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.
This School
State Level (AZ)
#1279 out of 1921 schools
(Bottom 50%)
View AI Prompt
30%
34%
View AI Prompt
18%
40%
View AI Prompt
10-14%
24%
Student-Teacher Ratio
25:1
17:1
View AI Prompt
Hispanic
98%
49%
View AI Prompt
White
2%
33%
All Ethnic Groups
0.04
No Summary generated because only 3 years of data available
(22-23)
42.3%
41.2%
No Summary generated because only 3 years of data available
Eligible for Free Lunch (22-23)
90%
39%
View AI Prompt
Eligible for Reduced Lunch
100%
10%
View AI Prompt
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), AZ Dept. of Education

Frequently Asked Questions

What is Rio Colorado Elementary School's ranking?
Rio Colorado Elementary School is ranked #1279 out of 1,921 schools, which ranks it among the bottom 50% of public schools in Arizona.
What percent of students have achieved state testing proficiency in math and reading?
30% of students have achieved math proficiency (compared to the 34% AZ state average), while 18% of students have achieved reading proficiency (compared to the 40% AZ state average).
How many students attend Rio Colorado Elementary School?
523 students attend Rio Colorado Elementary School.
What is the racial composition of the student body?
98% of Rio Colorado Elementary School students are Hispanic, and 2% of students are White.
What is the student-teacher ratio of Rio Colorado Elementary School?
Rio Colorado Elementary School has a student ration of 25:1, which is higher than the Arizona state average of 17:1.
What grades does Rio Colorado Elementary School offer ?
Rio Colorado Elementary School offers enrollment in grades Prekindergarten-6 (No virtual instruction).
What school district is Rio Colorado Elementary School part of?
Rio Colorado Elementary School is part of Gadsden Elementary District (4505).

School Reviews

Review Rio Colorado Elementary School. Reviews should be a few sentences in length. Please include any comments on:

  • Quality of academic programs, teachers, and facilities
  • Availability of music, art, sports and other extracurricular activities
Rate this school:

Recent Articles

Media Literacy as a Core Skill: How to Tell if a School Teaches It Well
Media Literacy as a Core Skill: How to Tell if a School Teaches It Well
Learn how to evaluate whether a public school teaches media literacy effectively, from fact-checking and source evaluation to digital citizenship and critical thinking.
Screen Time, Paper Learning, and the New Back-to-Basics Debate
Screen Time, Paper Learning, and the New Back-to-Basics Debate
Explore why some public schools are reducing screen time, bringing back paper learning, and rethinking the balance between technology and traditional instruction.
Student Data, AI Tools, and Privacy: Questions to Ask Your District
Student Data, AI Tools, and Privacy: Questions to Ask Your District
Learn how public schools use AI, protect student data, and the key privacy questions every parent should ask their school district in 2026.

Quick Facts (2026)

  • Grades: Prekindergarten-6
  • Enrollment: 523 students
  • Student-Teacher Ratio: 25:1
  • Minority Enrollment: 98%
  • : Bottom 50%
  • : 30% (Top 50%)
  • : 18% (Btm 50%)
  • : 10-14% (Btm 50%)
  • Source: National Center for Education Statistics (NCES), AZ Dept. of Education

Quick Links