West-MEC - Washington High School
CTE · Grades 9–12
Cornerstone Charter School
7107 N Black Canyon Hwy, Phoenix, AZ 85021
Grades
9–12
High
Students
138
Enrolled 2024–25
Students per teacher
23 : 1
Full-time teachers
District
Cornerstone Charter SchoolInc (79077)
Maricopa County
Not graded
Alternative schools serve students whose needs a regular school could not meet, and states hold them to separate accountability rules, so we don't rank them against regular schools. How we grade
About Cornerstone Charter School
Cornerstone Charter School is a charter high school in Phoenix, Arizona, serving grades 9–12. It is part of Cornerstone Charter SchoolInc (79077). The school is located in a large city in Maricopa County.
In the 2024–25 school year, 138 students were enrolled, with about 23 students for every full-time teacher. That ratio is larger than the typical Arizona high school (17.5 students per teacher). As a charter school, it is publicly funded and tuition-free, but operates independently of the local district under a charter from Charter Board (CSB).
Grades & enrollment
Students per grade, 2024–25Grades 9–12
Location & nearby schools
School details
- Type
- Charter School · What this means
- Level
- High
- Grades offered
- 9–12
- Enrollment (2024–25)
- 138 students
- Students per teacher
- 23 to 1
- Charter school
- Yes
- Charter authorizer
- Charter Board (CSB)
- Magnet school
- No
- Locale
- City — Large
- School district
- Cornerstone Charter SchoolInc (79077)
- County
- Maricopa County
- NCES school ID
- 040040502053
Schools near Cornerstone Charter School
All 518 schools in Phoenix →
Washington High School
Public · Grades 9–12 · 1,659 students
IntelliSchool Online
Charter · Grades 9–12 · 7 students
SC Jensen Online
Charter · Grades 9–12 · 10 students
PAS Charter Online
Charter · Grades 9–12 · 9 students
Kaizen Education Foundation dba Maya High School
Charter · Grades 9–12 · 401 students
School data comes from the U.S. Department of Education: the National Center for Education Statistics (NCES) Common Core of Data and EDGE school locations (2024–25) and Private School Survey (2023–24), the Civil Rights Data Collection (2023–24), and EDFacts (test results 2021–22; graduation and chronic absenteeism 2022–23), plus other public sources. Please contact the school to confirm enrollment, programs, and other details. How we source data.