Serving 914 students in grades Kindergarten-12, San Tan Charter 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 40% (which is higher than the Arizona state average of 34%). The percentage of students achieving proficiency in reading/language arts is 41% (which is higher than the Arizona state average of 40%).
The student-teacher ratio of 42:1 is higher than the Arizona state level of 17:1.
Minority enrollment is 41% of the student body (majority Hispanic), which is lower than the Arizona state average of 67% (majority Hispanic).
Quick Facts (2026)
- School Type: Charter School
- Grades: Kindergarten-12
- Enrollment: 914 students
- Student-Teacher Ratio: 42:1
- Minority Enrollment: 41%
- Graduation Rate: ≥95% (Top 5% in AZ)
- Overall Testing Rank: Top 50%
- Math Proficiency: 40% (Top 50%)
- Reading Proficiency: 41% (Top 50%)
- Science Proficiency: 25% (Top 50%)
- Source: National Center for Education Statistics (NCES), AZ Dept. of Education
Top Rankings
San Tan Charter School ranks among the top 20% of public schools in Arizona for:
Category
Attribute
Graduation Rate
School Overview
San Tan Charter School's student population of 914 students has grown by 8% over five school years.
The teacher population of 22 teachers has stayed relatively flat over five school years.
School Type
Grades Offered
Grades Kindergarten-12
(No virtual instruction)
(No virtual instruction)
Total Students
914 students
Total Classroom Teachers
22 teachers
Year Founded
2005
School Calendar
School Rankings
San Tan Charter School ranks within the top 50% of all 1,921 schools in Arizona (based off of combined math and reading proficiency testing data).
The diversity score of San Tan Charter School is 0.59, 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
#685 out of 1921 schools
(Top 50%)
(Top 50%)
Math Test Scores (% Proficient)
40%
34%
Reading/Language Arts Test Scores (% Proficient)
41%
40%
Science Test Scores (% Proficient)
25%
24%
Student-Teacher Ratio
42:1
17:1
American Indian
1%
5%
Asian
3%
3%
Hispanic
24%
49%
Black
5%
6%
White
59%
33%
Hawaiian
n/a
n/a
Two or more races
8%
4%
All Ethnic Groups
Graduation Rate
≥95%
77%
Eligible for Free Lunch
9%
41%
Eligible for Reduced Lunch
8%
10%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), AZ Dept. of Education
Frequently Asked Questions
What is San Tan Charter School's ranking?
San Tan Charter School is ranked #685 out of 1,921 schools, which ranks it among the top 50% of public schools in Arizona.
What percent of students have achieved state testing proficiency in math and reading?
40% of students have achieved math proficiency (compared to the 34% AZ state average), while 41% of students have achieved reading proficiency (compared to the 40% AZ state average).
What is the graduation rate of San Tan Charter School?
The graduation rate of San Tan Charter School is 95%, which is higher than the Arizona state average of 77%.
How many students attend San Tan Charter School?
914 students attend San Tan Charter School.
What is the racial composition of the student body?
59% of San Tan Charter School students are White, 24% of students are Hispanic, 8% of students are Two or more races, 5% of students are Black, 3% of students are Asian, and 1% of students are American Indian.
What is the student-teacher ratio of San Tan Charter School?
San Tan Charter School has a student ration of 42:1, which is higher than the Arizona state average of 17:1.
What grades does San Tan Charter School offer ?
San Tan Charter School offers enrollment in grades Kindergarten-12 (No virtual instruction).
What school district is San Tan Charter School part of?
San Tan Charter School is part of San Tan Montessori School Inc. (89798) School District.
In what neighborhood is San Tan Charter School located?
San Tan Charter School is located in the Lakeview Trails North At Morrison Ranch neighborhood of Gilbert, AZ.
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