Serving 197 students in grades 1-9, Keystone Montessori Charter School ranks in the top 10% of all schools in Arizona for overall test scores (math proficiency is top 20%, and reading proficiency is top 20%).
The percentage of students achieving proficiency in math is 50-54% (which is higher than the Arizona state average of 35%). The percentage of students achieving proficiency in reading/language arts is 80-84% (which is higher than the Arizona state average of 40%).
Minority enrollment is 52% 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: 1-9
- Enrollment: 197 students
- Minority Enrollment: 52%
- Overall Testing Rank: Top 10% in AZ
- Math Proficiency: 50-54% (Top 20%)
- Reading Proficiency: 80-84% (Top 5%)
- Science Proficiency: 40-49% (Top 20%)
- Source: National Center for Education Statistics (NCES), AZ Dept. of Education
Top Rankings
Keystone Montessori Charter School ranks among the top 20% of public schools in Arizona for:
Category
Attribute
Overall Rank
Math Proficiency
Reading/Language Arts Proficiency
Science Proficiency
Diversity
School Overview
Keystone Montessori Charter School's student population of 197 students has stayed relatively flat over five school years.
School Type
Grades Offered
Grades 1-9
Total Students
197 students
Gender %
Total Classroom Teachers
n/a
Students by Grade
School Calendar
School Rankings
Keystone Montessori Charter School ranks within the top 10% of all 1,956 schools in Arizona (based off of combined math and reading proficiency testing data).
The diversity score of Keystone Montessori Charter School is 0.66, which is equal to the diversity score at state average of 0.66. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#193 out of 1956 schools
(Top 10%)
(Top 10%)
Math Test Scores (% Proficient)
50-54%
35%
Reading/Language Arts Test Scores (% Proficient)
80-84%
40%
Science Test Scores (% Proficient)
40-49%
24%
Student : Teacher Ratio
n/a
17:1
American Indian
n/a
5%
Asian
6%
3%
Hispanic
31%
48%
Black
4%
6%
White
48%
34%
Hawaiian
n/a
n/a
Two or more races
11%
4%
All Ethnic Groups
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), AZ Dept. of Education
Frequently Asked Questions
What is Keystone Montessori Charter School's ranking?
Keystone Montessori Charter School is ranked #193 out of 1,956 schools, which ranks it among the top 10% of public schools in Arizona.
What schools are Keystone Montessori Charter School often compared to?
Keystone Montessori Charter Schoolis often viewed alongside schools like Horizon Honors Elementary School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
50-54% of students have achieved math proficiency (compared to the 35% AZ state average), while 80-84% of students have achieved reading proficiency (compared to the 40% AZ state average).
How many students attend Keystone Montessori Charter School?
197 students attend Keystone Montessori Charter School.
What is the racial composition of the student body?
48% of Keystone Montessori Charter School students are White, 31% of students are Hispanic, 11% of students are Two or more races, 6% of students are Asian, and 4% of students are Black.
What grades does Keystone Montessori Charter School offer ?
Keystone Montessori Charter School offers enrollment in grades 1-9
What school district is Keystone Montessori Charter School part of?
Keystone Montessori Charter School is part of Keystone Montessori Charter School Inc. (10878) School District.
In what neighborhood is Keystone Montessori Charter School located?
Keystone Montessori Charter School is located in the Ahwatukee Foothills Village neighborhood of Phoenix, AZ. There are 17 other public schools located in Ahwatukee Foothills Village.
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