Serving 140 students in grades 9-12, Cornerstone Charter 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 ≤20% (which is lower than the Arizona state average of 34%). The percentage of students achieving proficiency in reading/language arts is ≤20% (which is lower than the Arizona state average of 40%).
Minority enrollment is 90% of the student body (majority Hispanic), which is higher than the Arizona state average of 66% (majority Hispanic).
Quick Facts (2025)
- School Type: Alternative school / Charter School
- Grades: 9-12
- Enrollment: 140 students
- Minority Enrollment: 90%
- Graduation Rate: 20-24% (Btm 50% in AZ)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: ≤20% (Btm 50%)
- Reading Proficiency: ≤20% (Btm 50%)
- Science Proficiency: ≤20% (Btm 50%)
- Source: National Center for Education Statistics (NCES), AZ Dept. of Education
Top Rankings
Cornerstone Charter School ranks among the top 20% of public schools in Arizona for:
Category
Attribute
Percent Eligible For Free Lunch
School Overview
Cornerstone Charter School's student population of 140 students has declined by 28% over five school years.
School Type
Grades Offered
Grades 9-12
(No virtual instruction)
(No virtual instruction)
Total Students
140 students
Gender %
Total Classroom Teachers
n/a
School Calendar
School Rankings
Cornerstone Charter 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 Cornerstone Charter School is 0.49, 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
#1411 out of 1921 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
≤20%
34%
Reading/Language Arts Test Scores (% Proficient)
≤20%
40%
Science Test Scores (% Proficient)
≤20%
24%
Student-Teacher Ratio
n/a
17:1
American Indian
6%
5%
Asian
1%
3%
Hispanic
70%
48%
Black
10%
6%
White
10%
34%
Hawaiian
n/a
n/a
Two or more races
3%
4%
All Ethnic Groups
Graduation Rate
20-24%
77%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
100%
40%
Eligible for Reduced Lunch
9%
7%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), AZ Dept. of Education
Profile last updated: 02/09/2025
Frequently Asked Questions
What is Cornerstone Charter School's ranking?
Cornerstone Charter School is ranked #1411 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?
≤20% of students have achieved math proficiency (compared to the 34% AZ state average), while ≤20% of students have achieved reading proficiency (compared to the 40% AZ state average).
What is the graduation rate of Cornerstone Charter School?
The graduation rate of Cornerstone Charter School is 20-24%, which is lower than the Arizona state average of 77%.
How many students attend Cornerstone Charter School?
140 students attend Cornerstone Charter School.
What is the racial composition of the student body?
70% of Cornerstone Charter School students are Hispanic, 10% of students are Black, 10% of students are White, 6% of students are American Indian, 3% of students are Two or more races, and 1% of students are Asian.
What grades does Cornerstone Charter School offer ?
Cornerstone Charter School offers enrollment in grades 9-12 (No virtual instruction).
What school district is Cornerstone Charter School part of?
Cornerstone Charter School is part of Cornerstone Charter Schoolinc (79077) School District.
School Reviews
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