Skip to main content

Very Good

#162 of 1,790 private schools in CA

Top 9% of private schools

Marin Montessori School

Elementary School

5200 PARADISE DR, Corte Madera, CA 94925

Private Estimated Score

Estimated academic score. This school does not have standardized test data. Based on CA statewide data. Learn more

Enrollment

251

Student-Teacher

7.5:1

Score

7.7

Grades

Pre-K – 8th

Updated 2021-22

How this school compares

In Corte Madera

#1 of 2

public schools

California elementary schools

#83 of 1,102

About Marin Montessori School

Marin Montessori School serves 251 students from prekindergarten through eighth grade in Corte Madera, offering a unique public Montessori education in one of California's most affluent communities. With an exceptional student-teacher ratio of 7.5:1 and 34 full-time equivalent teachers, students receive highly personalized attention throughout their elementary years. The school has earned recognition as a top performer, ranking #269 out of 1,790 California elementary schools and placing in the 85th percentile statewide.

This achievement reflects the school's commitment to the Montessori method, which emphasizes student-directed learning and hands-on exploration across mixed-age classrooms. Located on Paradise Drive, the school draws from a highly educated community where 76% of residents hold bachelor's degrees or higher. The surrounding 94925 zip code has a median household income of $210,560 and median home values of $1.64 million, creating a stable, resource-rich environment for learning.

With only 3.7% of families living below the poverty line, students benefit from strong community support and family engagement. Marin Montessori School provides families with an alternative to traditional public education while maintaining public school accessibility. The school sits within Marin County's large suburban landscape, offering students both the benefits of Montessori education and the natural beauty of the Bay Area.

What Parents Should Know

With a student-teacher ratio of 7.5:1, Marin 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, Marin 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.

Financial Overview

Source: IRS Form 990 (2023 filing)

Per-Pupil Spending
Total expenses ÷ enrollment
$41,044
Per-Pupil Revenue
Total revenue ÷ enrollment
$42,986
Financial Health
Revenue-to-expense ratio (>1.0 = surplus)
1.05x — Stable
Tuition Dependency
Share of revenue from program services (tuition, fees)
91%
Total Assets
End-of-year total assets from IRS filing
$27.6M

Financial data from IRS Form 990 filings via ProPublica Nonprofit Explorer. Per-pupil figures based on current enrollment of 251 students. Not all private schools file Form 990.

Compare to Public Schools

Beta

How Marin Montessori School compares to the 2 public schools in Corte Madera, CA

Student-Teacher Ratio
7.5:1
This School
vs
19.2:1
Public Avg
Avg School Size
251
This School
vs
367
Public Avg
Avg School Scout Rating
7.7
This School
vs
7.1
Public Avg

Student Demographics

White 67.3% vs 0%
Asian 16.3% vs 0%
Hispanic 10.8% vs 0%
Black 5.6% vs 0%
Marin Montessori School Corte Madera Public Avg

All Schools in Corte Madera

School Rating
Marin Montessori School (this school) 7.7
Cove 8.2
Neil Cummins Elementary 5.9

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)
A- 8.3 / 10
View breakdown
Student-Teacher Ratio 7.5:1
Instructional Commitment
? Total annual instructional hours based on school day length and days per year. (15% of overall score)
A 9.0 / 10
View breakdown
School Day Length 7.5 hours
Annual Instructional Hours 1,350
Diversity & Inclusion
? Racial and ethnic diversity of the student body using Simpson's diversity index. (20% of overall score)
B 5.7 / 10
View breakdown
Diversity Index 51%
Community Context

Data Unavailable

School Profile
? Enrollment size and grade span breadth — indicators of program depth and peer community. (15% of overall score)
A- 8.1 / 10
View breakdown
Enrollment 251
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)

White 67.3%
Asian 16.3%
Hispanic 10.8%
Black 5.6%

Source: NCES Private School Survey (PSS)

Location

5200 PARADISE DR, Corte Madera, CA 94925

Nearby Alternatives

Families considering Marin Montessori School may also want to explore other elementary schools in the area. Strawberry Point Elementary (rated 8.9/10, 1.8 miles away, in nearby Mill Valley), which scores notably higher. Another option is Cove (rated 8.2/10, 0.4 miles away), which scores slightly higher. Additionally, TERRA MARIN SCHOOL (rated 7.9/10, 1.9 miles away, in nearby Mill Valley), with a very similar rating. For more schools in Corte Madera, see our Corte Madera schools guide .

Nearby Schools

20 within 2.6 mi
School Distance Rating
Marin Country Day School Corte Madera 0.1 mi
MARIN COUNTRY DAY SCHOOL Corte Madera 0.1 mi 6.2
Cove Corte Madera 0.4 mi 8.2
Bel Aire Elementary Tiburon 1.2 mi 7.4
Strawberry Point Elementary Mill Valley 1.8 mi 8.9
Del Mar Middle Tiburon 1.9 mi 7.7
Star Academy - Shoreline San Rafael 2.2 mi
Neil Cummins Elementary Corte Madera 1.8 mi 5.9
TERRA MARIN SCHOOL Mill Valley 1.9 mi 7.9
ST HILARY SCHOOL Tiburon 2.3 mi 6.8
Edna Maguire Elementary Mill Valley 2.0 mi 6.4
Redwood High Larkspur 2.2 mi 8.5
San Andreas High (Continuation) Larkspur 2.2 mi 7.8
THE HELIX SCHOOL Mill Valley 2.2 mi
MARIN PRIMARY & MIDDLE SCHOOL Larkspur 2.3 mi 7.2
Tamiscal High (Alternative) Larkspur 2.4 mi 4.0
Hall Middle Larkspur 2.5 mi 8.4
OAc San Francisco Larkspur 2.5 mi
Chronos Academy Lakspur 2.5 mi
Mill Valley Middle Mill Valley 2.6 mi 8.6

Neighborhood Census ACS (2019-2023)

Census data for ZIP 94925 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$220,771

Median Home Value

$1,702,000

Median Rent

$3,468/mo

Population

10,101

College Educated

76.8%

Homeownership

69.4%

Avg Commute

33.7 min

Poverty Rate

5%

Median Age

44.2

Community Profile

The community surrounding Marin Montessori School has a median household income of $220,771. It is a well-educated community where 77% of adults hold a bachelor's degree or higher. The median home value in the area is $1,702,000, with a median rent of $3,468/month. The local poverty rate of 5.0% is relatively low. The average commute for residents is 34 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
Adams Elementary Costa Mesa, CA 7.7
Aldama Elementary Los Angeles, CA 7.7
Alta Mesa Elementary Redding, CA 7.7
Arellanes (Don Juan Bautista) Elementary Santa Maria, CA 7.7
Arlington Heights Elementary Los Angeles, CA 7.7
Arturo Sanchez Elementary Norwalk, CA 7.7

Frequently Asked Questions

Common questions about Marin Montessori School

What grades does Marin Montessori School serve?

Marin Montessori School serves students in grades Pre-K through 8th.

How many students attend Marin Montessori School?

Marin Montessori School has an enrollment of approximately 251 students.

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

The student-teacher ratio at Marin Montessori School is 7.5:1. A lower ratio generally means more individual attention per student. The national average is approximately 11:1 for private schools.

How does Marin Montessori School rank in CA?

Marin Montessori School is ranked #162 out of 1,790 private schools in CA.

What is Marin Montessori School's MySchoolScout rating?

Marin Montessori School has a composite rating of 7.7 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 Marin Montessori School a private school?

Yes, Marin 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 Marin Montessori School a religious school?

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

11 schools nearby View map →

Neighborhood Context

Walk Score
11 Car-Dependent
Bike Score
17 Somewhat Bikeable

Powered by Walk Score

FBI UCR. County-level only.

Quick Facts NCES PSS (SY 2021-22)

Grades
Pre-K – 8th
Enrollment
251
Gender Split
49% M / 51% F
Student-Teacher Ratio
7.5:1
Teachers (FTE)
34
Type
private
Coed Status
coed
Affiliation
Nonsectarian
School Day
7.5 hours
Days Per Year
180 days
Setting
Large Suburb
County
MARIN
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

Related reading

Get school insights in your inbox

New rankings, best-schools lists, and parent guides — delivered free. No spam, unsubscribe anytime.

We respect your privacy. Unsubscribe at any time.