Serving 888 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 33% (which is lower than the Arizona state average of 35%). The percentage of students achieving proficiency in reading/language arts is 41% (which is higher than the Arizona state average of 40%).
Minority enrollment is 40% of the student body (majority Hispanic), which is lower than the Arizona state average of 66% (majority Hispanic).
Quick Stats (2025)
- School Type: Charter School
- Grades: Kindergarten-12
- Enrollment: 888 students
- Minority Enrollment: 40%
- Graduation Rate: ≥90% (Top 30% in AZ)
- Overall Testing Rank: Top 50%
- Math Proficiency: 33% (Top 50%)
- Reading Proficiency: 41% (Top 50%)
- Science Proficiency: 25% (Top 50%)
- Source: National Center for Education Statistics (NCES), AZ Dept. of Education
School Overview
San Tan Charter School's student population of 888 students has declined by 11% over five school years.
School Type
Grades Offered
Grades Kindergarten-12
Total Students
888 students

Gender %

Total Classroom Teachers
n/a
Students by Grade

School Calendar
School Rankings
San Tan Charter 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 San Tan Charter School is 0.57, 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
#851 out of 1956 schools
(Top 50%)
(Top 50%)

Math Test Scores (% Proficient)
33%
35%

Reading/Language Arts Test Scores (% Proficient)
41%
40%

Science Test Scores (% Proficient)
25%
24%
Student : Teacher Ratio
n/a
17:1
American Indian
1%
5%

Asian
2%
3%

Hispanic
27%
48%

Black
4%
6%

White
60%
34%

Hawaiian
n/a
n/a
Two or more races
6%
4%

All Ethnic Groups



Graduation Rate
≥90%
77%

Eligible for Free Lunch
10%
40%

Eligible for Reduced Lunch
8%
10%

School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), AZ Dept. of Education
Profile last updated:
Frequently Asked Questions
What is San Tan Charter School's ranking?
San Tan Charter School is ranked #851 out of 1,956 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?
33% of students have achieved math proficiency (compared to the 35% 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 90%, which is higher than the Arizona state average of 77%.
How many students attend San Tan Charter School?
888 students attend San Tan Charter School.
What is the racial composition of the student body?
60% of San Tan Charter School students are White, 27% of students are Hispanic, 6% of students are Two or more races, 4% of students are Black, 2% of students are Asian, and 1% of students are American Indian.
What grades does San Tan Charter School offer ?
San Tan Charter School offers enrollment in grades Kindergarten-12
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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