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Very Good

#490 of 1,790 private schools in CA

Top 27% of private schools

International Montessori School

Middle School

9185 MONTE VISTA AVE, Montclair, CA 91763

Private Estimated Score

Estimated academic score. This school does not have standardized test data. Based on 11 schools in Montclair. Learn more

Enrollment

37

Student-Teacher

9:1

Score

7.0

Grades

1st – 7th

Updated 2021-22

How this school compares

California middle schools

#12 of 45

Academic performance

8.0 / 10

Very strong

About International Montessori School

International Montessori School serves 37 students in grades 1-7 in Montclair, California, offering a unique Montessori approach within the public school system. This small middle school maintains an exceptionally low 9:1 student-teacher ratio with 4 full-time equivalent teachers, providing an intimate learning environment where each child receives individual attention. The school has earned strong recognition, ranking #384 out of 1,790 California schools and placing in the 79th percentile statewide.

With a MySchoolScout rating of 9.0 out of 10, International Montessori School demonstrates academic excellence while maintaining its commitment to the Montessori philosophy of child-centered learning. The small enrollment allows for a close-knit school community where students can develop strong relationships with both peers and teachers across multiple grade levels. The Montessori approach emphasizes hands-on learning, student choice, and mixed-age classrooms, fostering independence and collaborative skills that serve students well as they progress through their educational journey.

International Montessori School is situated in Montclair's large suburban setting, where the median household income is $72,997 and median home value reaches $484,900. The school serves a community where 19% of residents hold bachelor's degrees or higher, providing students with access to quality education in a stable residential neighborhood.

What Parents Should Know

With an enrollment of 37 students, International Montessori School is a smaller school where families often find a close-knit community atmosphere. Smaller settings can mean more individual attention from teachers and staff, though they may offer fewer extracurricular options than larger schools.

With a student-teacher ratio of 9:1, International Montessori School offers a notably low ratio compared to the national average. This typically means smaller class sizes and more opportunities for one-on-one interaction between students and teachers.

As a private school, International Montessori School operates independently from the local public school district. Families considering this school should inquire about tuition costs, financial aid availability, and the admissions process. Private schools are not required to follow the same curriculum standards as public schools, which can be either an advantage or a consideration depending on your priorities.

Compare to Public Schools

Beta

How International Montessori School compares to 10 public schools serving similar grades in Montclair, CA

Student-Teacher Ratio
9:1
This School
vs
21.3:1
Public Avg
Avg School Size
37
This School
vs
508
Public Avg
Avg School Scout Rating
7.0
This School
vs
7.0
Public Avg

Student Demographics

Hispanic 40.5% vs 0%
White 24.3% vs 0%
Black 16.2% vs 0%
Asian 5.4% vs 0%
International Montessori School Montclair Public Avg

Nearby Middle Schools

School Rating
International Montessori School (this school) 7.0
Moreno Elementary 5.8
Serrano Middle 8.4
Vernon Middle 7.6
Monte Vista Elementary 8.5
Buena Vista Arts-Integrated 8.9
Lehigh Elementary 5.0
Montera Elementary 8.9
Kingsley Elementary 6.1
Howard Elementary 4.6
Ramona Elementary 6.1

Demographics sourced from NCES Private School Survey (PSS) and Common Core of Data (CCD). Comparisons are based on enrollment-weighted averages.

Score Breakdown

What This Rating Measures

This rating reflects classroom size, instructional time, student diversity, community resources, and school characteristics. Private schools are ranked against other private schools in CA.

Classroom Attention
? Student-teacher ratio calibrated against other private schools. Lower ratios mean more individual attention. (30% of overall score)
B+ 7.4 / 10
View breakdown
Student-Teacher Ratio 9:1
Instructional Commitment
? Total annual instructional hours based on school day length and days per year. (15% of overall score)
B+ 7.3 / 10
View breakdown
School Day Length 7 hours
Annual Instructional Hours 1,260
Diversity & Inclusion
? Racial and ethnic diversity of the student body using Simpson's diversity index. (20% of overall score)
A+ 9.5 / 10
View breakdown
Diversity Index 73%
Community Context

Data Unavailable

School Profile
? Enrollment size and grade span breadth — indicators of program depth and peer community. (15% of overall score)
C- 2.3 / 10
View breakdown
Enrollment 37
View data sources

Score basis: Private school model

Data coverage: 80% of scoring components had data

Components scored: 4 of 5

Ranking pool: Private schools in CA

Test Scores

Test score data not yet available for this school.

Student Demographics NCES PSS (SY 2021-22)

Hispanic 40.5%
White 24.3%
Black 16.2%
Two or More 13.5%
Asian 5.4%

Source: NCES Private School Survey (PSS)

Location

9185 MONTE VISTA AVE, Montclair, CA 91763

Nearby Alternatives

Families considering International Montessori School may also want to explore other middle schools in the area. Serrano Middle (rated 8.4/10, 0.3 miles away), which scores notably higher. Additionally, Vernon Middle (rated 7.6/10, 1.1 miles away), which scores slightly higher. For more schools in Montclair, see our Montclair schools guide .

Nearby Schools

20 within 1.7 mi
School Distance Rating
Moreno Elementary Montclair 0.2 mi 5.8
Serrano Middle Montclair 0.3 mi 8.4
Montclair High Montclair 1.0 mi 5.9
Monte Vista Elementary Montclair 1.1 mi 8.5
Vernon Middle Montclair 1.1 mi 7.6
Oakmont Elementary Claremont 1.1 mi 8.2
El Camino Elementary Ontario 1.1 mi 8.1
San Antonio High (Continuation) Claremont 1.1 mi 6.7
Buena Vista Arts-Integrated Montclair 1.2 mi 8.9
Hillside High Upland 1.2 mi 5.3
KIDDIE ACADEMY Claremont 1.4 mi 5.0
Lehigh Elementary Montclair 1.5 mi 5.0
Montera Elementary Montclair 1.6 mi 8.9
Cabrillo Elementary Upland 1.5 mi 6.7
Sycamore Elementary Claremont 1.5 mi 8.2
Vista del Valle Elementary Claremont 1.4 mi 4.4
Kingsley Elementary Montclair 1.7 mi 6.1
Elderberry Elementary Ontario 1.6 mi 5.3
Our Lady of the Assumption Claremont 1.7 mi
OUR LADY OF THE ASSUMPTION SCHOOL Claremont 1.7 mi 6.5

Neighborhood Census ACS (2019-2023)

Census data for ZIP 91763 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$77,627

Median Home Value

$550,000

Median Rent

$1,767/mo

Population

37,515

College Educated

18%

Homeownership

54.9%

Avg Commute

30.5 min

Poverty Rate

16.5%

Median Age

33.3

Community Profile

The community surrounding International Montessori School has a median household income of $77,627. It is a community where 18% of adults hold a bachelor's degree or higher. The median home value in the area is $550,000, with a median rent of $1,767/month. The area has a poverty rate of 16.5%. The average commute for residents is 31 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.

Similar Schools

Schools in the same state with comparable level, size, and ratings

School Rating
CITY KIDS LA Los Angeles, CA 7.1
Potter Valley Junior High Potter Valley, CA 7.1
VISALIA MONTESSORI SCHOOL Visalia, CA 7.2
CHILDRENS WORKSHOP San Diego, CA 6.6
ODYSSEY SCHOOL San Mateo, CA 7.5
THE CROWDEN SCHOOL Berkeley, CA 7.8

Frequently Asked Questions

Common questions about International Montessori School

What grades does International Montessori School serve?

International Montessori School serves students in grades 1st through 7th.

How many students attend International Montessori School?

International Montessori School has an enrollment of approximately 37 students.

What is the student-teacher ratio at International Montessori School?

The student-teacher ratio at International Montessori School is 9:1. A lower ratio generally means more individual attention per student. The national average is approximately 11:1 for private schools.

How does International Montessori School rank in CA?

International Montessori School is ranked #490 out of 1,790 private schools in CA.

What is International Montessori School's MySchoolScout rating?

International Montessori School has a composite rating of 7.0 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.

Is International Montessori School a private school?

Yes, International Montessori School is a private coeducational school with a Nonsectarian affiliation. Private schools are not required to participate in state standardized testing, so academic performance data may be limited compared to public schools.

Is International Montessori School a religious school?

No, International Montessori School is a nonsectarian (non-religious) private school.

11 schools nearby View map →

Neighborhood Context

Walk Score
77 Very Walkable
Transit Score
55 Good Transit
Bike Score
73 Very Bikeable
City Safety
High (4,341/100K)

Powered by Walk Score

FBI UCR 2024. City-level (Montclair). Data >1 year old.

Quick Facts NCES PSS (SY 2021-22)

Grades
1st – 7th
Enrollment
37
Gender Split
81% M / 19% F
Student-Teacher Ratio
9:1
Teachers (FTE)
4
Type
private
Coed Status
coed
Affiliation
Nonsectarian
School Day
7 hours
Days Per Year
180 days
Setting
Large Suburb
County
SAN BERNARDINO
Data Year
2022–2023

How We Rate Schools

Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.

Read our full methodology

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