Serving 168 students in grades Kindergarten-6, Mountain 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 60-64% (which is higher than the Arizona state average of 35%). The percentage of students achieving proficiency in reading/language arts is 75-79% (which is higher than the Arizona state average of 40%).
Minority enrollment is 22% 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-6
- Enrollment: 168 students
- Minority Enrollment: 22%
- Overall Testing Rank: Top 10% in AZ
- Math Proficiency: 60-64% (Top 20%)
- Reading Proficiency: 75-79% (Top 5%)
- Science Proficiency: 40-59% (Top 20%)
- Source: National Center for Education Statistics (NCES), AZ Dept. of Education
Top Rankings
Mountain School ranks among the top 20% of public schools in Arizona for:
Category
Attribute
Overall Rank
Math Proficiency
Reading/Language Arts Proficiency
Science Proficiency
School Overview
Mountain School's student population of 168 students has declined by 13% over five school years.
School Type
Grades Offered
Grades Kindergarten-6
Total Students
168 students
Gender %
Total Classroom Teachers
n/a
Students by Grade
School Rankings
Mountain 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 Mountain School is 0.38, 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
#104 out of 1956 schools
(Top 10%)
(Top 10%)
Math Test Scores (% Proficient)
60-64%
35%
Reading/Language Arts Test Scores (% Proficient)
75-79%
40%
Science Test Scores (% Proficient)
40-59%
24%
Student : Teacher Ratio
n/a
17:1
American Indian
4%
5%
Asian
3%
3%
Hispanic
10%
48%
Black
n/a
6%
White
78%
34%
Hawaiian
n/a
n/a
Two or more races
5%
4%
All Ethnic Groups
Eligible for Free Lunch
9%
40%
Eligible for Reduced Lunch
4%
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 Mountain School's ranking?
Mountain School is ranked #104 out of 1,956 schools, which ranks it among the top 10% of public schools in Arizona.
What schools are Mountain School often compared to?
Mountain Schoolis often viewed alongside schools like Haven Montessori Charter School, Basis Flagstaff, Montessori Charter School Of Flagstaff - Campus by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
60-64% of students have achieved math proficiency (compared to the 35% AZ state average), while 75-79% of students have achieved reading proficiency (compared to the 40% AZ state average).
How many students attend Mountain School?
168 students attend Mountain School.
What is the racial composition of the student body?
78% of Mountain School students are White, 10% of students are Hispanic, 5% of students are Two or more races, 4% of students are American Indian, and 3% of students are Asian.
What grades does Mountain School offer ?
Mountain School offers enrollment in grades Kindergarten-6
What school district is Mountain School part of?
Mountain School is part of Mountain School Inc. (4203) School District.
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