Serving 1,970 students in grades 9-12, Casa Grande Union High School ranks in the top 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 35% (which is equal to the Arizona state average of 35%). The percentage of students achieving proficiency in reading/language arts is 39% (which is lower than the Arizona state average of 40%).
The student:teacher ratio of 22:1 is higher than the Arizona state level of 17:1.
Minority enrollment is 80% of the student body (majority Hispanic), which is higher than the Arizona state average of 66% (majority Hispanic).
Quick Stats (2025)
- Grades: 9-12
- Enrollment: 1,970 students
- Student:Teacher Ratio: 22:1
- Minority Enrollment: 80%
- Graduation Rate: 77% (Btm 50% in AZ)
- Overall Testing Rank: Top 50%
- Math Proficiency: 35% (Top 50%)
- Reading Proficiency: 39% (Top 50%)
- Science Proficiency: 16% (Btm 50%)
- Source: National Center for Education Statistics (NCES), AZ Dept. of Education
Top Rankings
Casa Grande Union High School ranks among the top 20% of public schools in Arizona for:
Category
Attribute
Most improved public schools
School Overview
Casa Grande Union High School's student population of 1,970 students has grown by 6% over five school years.
The teacher population of 91 teachers has grown by 10% over five school years.
Grades Offered
Grades 9-12
Total Students
1,970 students
Gender %
Total Classroom Teachers
91 teachers
Students by Grade
School Calendar
School Rankings
Casa Grande Union High School ranks within the top 50% of all 1,956 schools in Arizona (based off of combined math and reading proficiency testing data).
The diversity score of Casa Grande Union High School is 0.60, 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
#843 out of 1956 schools
(Top 50%)
(Top 50%)
Math Test Scores (% Proficient)
35%
35%
Reading/Language Arts Test Scores (% Proficient)
39%
40%
Science Test Scores (% Proficient)
16%
24%
Student : Teacher Ratio
22:1
17:1
American Indian
8%
5%
Asian
1%
3%
Hispanic
59%
48%
Black
4%
6%
White
20%
34%
Hawaiian
n/a
n/a
Two or more races
8%
4%
All Ethnic Groups
Graduation Rate
77%
77%
Eligible for Free Lunch
48%
40%
Eligible for Reduced Lunch
5%
10%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), AZ Dept. of Education
Frequently Asked Questions
What is Casa Grande Union High School's ranking?
Casa Grande Union High School is ranked #843 out of 1,956 schools, which ranks it among the top 50% of public schools in Arizona.
What schools are Casa Grande Union High School often compared to?
Casa Grande Union High Schoolis often viewed alongside schools like Vista Grande High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
35% of students have achieved math proficiency (compared to the 35% AZ state average), while 39% of students have achieved reading proficiency (compared to the 40% AZ state average).
What is the graduation rate of Casa Grande Union High School?
The graduation rate of Casa Grande Union High School is 77%, which is equal to the Arizona state average of 77%.
How many students attend Casa Grande Union High School?
1,970 students attend Casa Grande Union High School.
What is the racial composition of the student body?
59% of Casa Grande Union High School students are Hispanic, 20% of students are White, 8% of students are American Indian, 8% of students are Two or more races, 4% of students are Black, and 1% of students are Asian.
What is the student:teacher ratio of Casa Grande Union High School?
Casa Grande Union High School has a student ration of 22:1, which is higher than the Arizona state average of 17:1.
What grades does Casa Grande Union High School offer ?
Casa Grande Union High School offers enrollment in grades 9-12
What school district is Casa Grande Union High School part of?
Casa Grande Union High School is part of CASA Grande Union High School District (4453).
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