Top Rankings
Montessori Day 51±¬ÁÏs Chartered Inc. (4359) School District ranks among the top 20% of public school district in Arizona for:
Category
Attribute
Overall Rank
Highest overall rank (Top 20%)
Math Proficiency
Highest math proficiency (Top 20%)
Reading/Language Arts Proficiency
Highest reading/language arts proficiency (Top 10%)
For the 2025 school year, there is 1 public school serving 175 students in Montessori Day 51±¬ÁÏs Chartered Inc. (4359) School District. This district's average testing ranking is 9/10, which is in the top 20% of public schools in Arizona.
51±¬ÁÏ in Montessori Day 51±¬ÁÏ Chartered Inc. (4359) School District have an average math proficiency score of 52% (versus the Arizona public school average of 35%), and reading proficiency score of 67% (versus the 41% statewide average).
Minority enrollment is 47% 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
2,476 Schools
# Students
175 Students
1,124,009 Students
# Teachers
n/a
50,048 Teachers
Student : Teacher Ratio
n/a
n/a
Student By Grade
District Rank
Montessori Day 51±¬ÁÏs Chartered Inc. (4359) School District, which is ranked within the top 20% of all 607 school districts in Arizona (based off of combined math and reading proficiency testing data) for the 2021-2022 school year.
Overall District Rank
#84 out of 631 school districts
(Top 20%)
(Top 20%)
Math Test Scores (% Proficient)
50-54%
35%
Reading/Language Arts Test Scores (% Proficient)
65-69%
40%
Science Test Scores (% Proficient)
20-29%
24%
Students by Ethnicity:
Diversity Score
0.59
0.66
% American Indian
1%
5%
% Asian
2%
3%
% Hispanic
36%
48%
% Black
1%
6%
% White
53%
34%
% Hawaiian
1%
n/a
% Two or more races
6%
4%
All Ethnic Groups
District Revenue and Spending
The revenue/student of $14,754 is higher than the state median of $11,421. The school district revenue/student has grown by 57% over four school years.
The school district's spending/student of $14,086 is higher than the state median of $11,323. The school district spending/student has grown by 57% over four school years.
Total Revenue
$3 MM
$12,837 MM
Spending
$3 MM
$12,727 MM
Revenue / Student
$14,754
$11,421
Spending / Student
$14,086
$11,323
Best Montessori Day 51±¬ÁÏs Chartered Inc. (4359) School District 51±¬ÁÏs (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Grades
Students
Rank: #11.
Montessori Day 51±¬ÁÏs Chartered - Mountainside
Charter School
(Math: 50-54% | Reading: 65-69%)
Rank:
Rank:
9/
Top 20%10
9215 N 14th St
Phoenix, AZ 85020
(602) 943-7672
Phoenix, AZ 85020
(602) 943-7672
Grades: K-8
| 175 students
Frequently Asked Questions
How many schools belong to Montessori Day 51±¬ÁÏs Chartered Inc. (4359) School District?
Montessori Day 51±¬ÁÏs Chartered Inc. (4359) School District manages 1 public schools serving 175 students.
What is the rank of Montessori Day 51±¬ÁÏs Chartered Inc. (4359) School District?
Montessori Day 51±¬ÁÏs Chartered Inc. (4359) School District is ranked #86 out of 607 school districts in Arizona (top 20%) based off of combined math and reading proficiency testing data for the 2021-2022 school year. This district ranks in the top 20% of Arizona school districts for: Highest overall rank (Top 20%), Highest math proficiency (Top 20%) and Highest reading/language arts proficiency (Top 10%)
What is the racial composition of students in Montessori Day 51±¬ÁÏs Chartered Inc. (4359) School District?
53% of Montessori Day 51±¬ÁÏs Chartered Inc. (4359) School District students are White, 36% of students are Hispanic, 6% of students are Two or more races, 2% of students are Asian, 1% of students are American Indian, 1% of students are Black, and 1% of students are Hawaiian.
What is Montessori Day 51±¬ÁÏs Chartered Inc. (4359) School District's spending/student ratio?
The school district's spending/student of $14,086 is higher than the state median of $11,323. The school district spending/student has grown by 57% over four school years.
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