Top Rankings
Mountain School Inc. (4203) School District ranks among the top 20% of public school district in Arizona for:
Category
Attribute
Overall Rank
Highest overall rank (Top 10%)
Math Proficiency
Highest math proficiency (Top 10%)
Reading/Language Arts Proficiency
Highest reading/language arts proficiency (Top 5%)
Science Proficiency
Highest science proficiency (Top 20%)
For the 2025-26 school year, there is 1 public school serving 168 students in Mountain School Inc. (4203) School District. This district's average testing ranking is 10/10, which is in the top 5% of public schools in Arizona.
51±¬ÁÏ in Mountain School Inc. (4203) School District have an average math proficiency score of 62% (versus the Arizona public school average of 34%), and reading proficiency score of 77% (versus the 41% statewide average).
Minority enrollment is 22% of the student body (majority Hispanic), which is less than the Arizona public school average of 66% (majority Hispanic).
Overview
This School District
This State (AZ)
# Schools
1 School
2,470 Schools
# Students
168 Students
1,123,267 Students
# Teachers
n/a
50,033 Teachers
Student-Teacher Ratio
n/a
n/a
Student By Grade
District Rank
Mountain School Inc. (4203) School District, which is ranked within the top 10% of all 601 school districts in Arizona (based off of combined math and reading proficiency testing data) for the 2022-2023 school year.
Overall District Rank
#34 out of 618 school districts
(Top 10%)
(Top 10%)
Math Test Scores (% Proficient)
62%
34%
Reading/Language Arts Test Scores (% Proficient)
75-79%
40%
Science Test Scores (% Proficient)
40-59%
24%
Students by Ethnicity:
Diversity Score
0.38
0.66
% 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
District Revenue and Spending
The revenue/student of $10,893 in this school district is less than the state median of $11,429. The school district revenue/student has grown by 12% over four school years.
The school district's spending/student of $9,946 is less than the state median of $11,331. The school district spending/student has grown by 12% over four school years.
Total Revenue
$2 MM
$12,837 MM
Spending
$2 MM
$12,727 MM
Revenue / Student (21-22)
$10,893
$11,429
Spending / Student (21-22)
$9,946
$11,331
Best Mountain School Inc. (4203) School District 51±¬ÁÏs (2025-26)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Mountain School
Charter School
(Math: 60-64% | Reading: 75-79%)
Rank:
Rank:
10/
Top 5%10
311 W Cattle Drive Trl
Flagstaff, AZ 86005
(928) 779-2392
Flagstaff, AZ 86005
(928) 779-2392
Gr: K-6 | 168 students Minority enrollment: 22%
Frequently Asked Questions
How many schools belong to Mountain School Inc. (4203) School District?
Mountain School Inc. (4203) School District manages 1 public schools serving 168 students.
What is the rank of Mountain School Inc. (4203) School District?
Mountain School Inc. (4203) School District is ranked #31 out of 601 school districts in Arizona (top 10%) based off of combined math and reading proficiency testing data for the 2022-2023 school year. This district ranks in the top 20% of Arizona school districts for: Highest overall rank (Top 10%), Highest math proficiency (Top 10%), Highest reading/language arts proficiency (Top 5%) and Highest science proficiency (Top 20%)
What is the racial composition of students in Mountain School Inc. (4203) School District?
78% of Mountain School Inc. (4203) School District 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 is Mountain School Inc. (4203) School District's spending/student ratio?
The school district's spending/student of $9,946 is less than the state median of $11,331. The school district spending/student has grown by 12% over four school years.
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