Top Rankings
Colorado River Union High School District (4381) 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 2026 school year, there are 3 public high schools serving 1,847 students in Colorado River Union High School District (4381). This district's average high testing ranking is 4/10, which is in the bottom 50% of public high schools in Arizona.
Public High Schools in Colorado River Union High School District (4381) have an average math proficiency score of 17% (versus the Arizona public high school average of 35%), and reading proficiency score of 28% (versus the 45% statewide average).
Public High School in Colorado River Union High School District (4381) have a Graduation Rate of 85%, which is more than the Arizona average of 78%.
The school with highest graduation rate is River Valley High School, with ≥95% graduation rate. Read more about public school graduation rate statistics in Arizona or national school graduation rate statistics.
Minority enrollment is 54% of the student body (majority Hispanic), which is less than the Arizona public high school average of 65% (majority Hispanic).
Overview
This School District
This State (AZ)
# Schools
3 Schools
962 Schools
# Students
1,847 Students
439,398 Students
# Teachers
90 Teachers
23,005 Teachers
Student-Teacher Ratio
21:1
21:1
Student By Grade
District Rank
Colorado River Union High School District (4381), which is ranked within the bottom 50% of all 602 school districts in Arizona (based off of combined math and reading proficiency testing data) for the 2022-2023 school year.
The school district's graduation rate of 82% has decreased from 83% over five school years.
Overall District Rank
#406 out of 618 school districts
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
18%
34%
Reading/Language Arts Test Scores (% Proficient)
27%
40%
Science Test Scores (% Proficient)
10%
24%
Graduation Rate
82%
77%
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