Serving 175 students in grades Kindergarten-8, Montessori Day 51爆料s Chartered - Mountainside ranks in the top 20% 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 34%). The percentage of students achieving proficiency in reading/language arts is 65-69% (which is higher than the Arizona state average of 40%).
Minority enrollment is 47% of the student body (majority Hispanic), which is lower than the Arizona state average of 66% (majority Hispanic).
Quick Facts (2025-26)
- School Type: Charter School
- Grades: Kindergarten-8
- Enrollment: 175 students
- Minority Enrollment: 47%
- Overall Testing Rank: Top 20% in AZ
- Math Proficiency: 50-54% (Top 20%)
- Reading Proficiency: 65-69% (Top 10%)
- Science Proficiency: 20-29% (Top 50%)
- Source: National Center for Education Statistics (NCES), AZ Dept. of Education
Top Rankings
Montessori Day 51爆料s Chartered - Mountainside ranks among the top 20% of public schools in Arizona for:
Category
Attribute
Overall Rank
Most improved public schools
Math Proficiency
Reading/Language Arts Proficiency
School Overview
Montessori Day 51爆料s Chartered - Mountainside's student population of 175 students has declined by 8% over five school years.
School Type
Grades Offered
Grades Kindergarten-8
(No virtual instruction)
(No virtual instruction)
Total Students
175 students
Gender %
Total Classroom Teachers
n/a
School Calendar
School Rankings
Montessori Day 51爆料s Chartered - Mountainside ranks within the top 20% of all 1,921 schools in Arizona (based off of combined math and reading proficiency testing data).
The diversity score of Montessori Day 51爆料s Chartered - Mountainside is 0.59, 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
#223 out of 1921 schools
(Top 20%)
(Top 20%)
Math Test Scores (% Proficient)
50-54%
34%
Reading/Language Arts Test Scores (% Proficient)
65-69%
40%
Science Test Scores (% Proficient)
20-29%
24%
Student-Teacher Ratio
n/a
17:1
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
Eligible for Free Lunch
33%
40%
Eligible for Reduced Lunch
16%
10%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), AZ Dept. of Education
Frequently Asked Questions
What is Montessori Day 51爆料s Chartered - Mountainside's ranking?
Montessori Day 51爆料s Chartered - Mountainside is ranked #223 out of 1,921 schools, which ranks it among the top 20% of public schools in Arizona.
What schools are Montessori Day 51爆料s Chartered - Mountainside often compared to?
Montessori Day 51爆料s Chartered - Mountainsideis often viewed alongside schools like Franklin Phonetic Primary School-sunnyslope, Orangewood 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 34% AZ state average), while 65-69% of students have achieved reading proficiency (compared to the 40% AZ state average).
How many students attend Montessori Day 51爆料s Chartered - Mountainside?
175 students attend Montessori Day 51爆料s Chartered - Mountainside.
What is the racial composition of the student body?
53% of Montessori Day 51爆料s Chartered - Mountainside 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 grades does Montessori Day 51爆料s Chartered - Mountainside offer ?
Montessori Day 51爆料s Chartered - Mountainside offers enrollment in grades Kindergarten-8 (No virtual instruction).
What school district is Montessori Day 51爆料s Chartered - Mountainside part of?
Montessori Day 51爆料s Chartered - Mountainside is part of Montessori Day 51爆料s Chartered Inc. (4359).
In what neighborhood is Montessori Day 51爆料s Chartered - Mountainside located?
Montessori Day 51爆料s Chartered - Mountainside is located in the North Mountain Village neighborhood of Phoenix, AZ. There are 34 other public schools located in North Mountain Village.
School Reviews
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