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Very Good

#291 of 1,790 private schools in CA

Top 16% of private schools

Centennial Montessori School

Elementary School

27 AND 6 10TH AVE, San Mateo, CA 94401

Private Estimated Score

Estimated academic score. This school does not have standardized test data. Based on 19 schools in San Mateo. Learn more

Enrollment

55

Student-Teacher

6.1:1

Score

7.4

Grades

Pre-K – 6th

Updated 2021-22

How this school compares

In San Mateo

#4 of 12

public schools

California elementary schools

#154 of 1,102

About Centennial Montessori School

Centennial Montessori School serves 55 students from prekindergarten through sixth grade in San Mateo, California, offering an intimate learning environment with an exceptional 6.1:1 student-teacher ratio. This regular public elementary school has earned impressive recognition, ranking #382 out of 1,790 California schools and receiving a 9.0 out of 10 rating from MySchoolScout, placing it in the 79th percentile statewide. With just nine full-time equivalent teachers, the school maintains the small class sizes essential to the Montessori educational philosophy, allowing for personalized attention and individualized learning approaches.

The intimate scale enables teachers to know each child well and adapt instruction to meet diverse learning styles and developmental stages. The school draws families from a well-educated community where 46% of residents hold bachelor's degrees or higher, supporting a culture that values academic achievement. The surrounding neighborhood reflects San Mateo's prosperity, with median household incomes of $117,678 and median home values of $1,093,400, though the area maintains economic diversity with a 9.7% poverty rate.

Located in San Mateo's mid-size city environment, Centennial Montessori School combines the benefits of urban educational resources with a close-knit school community that emphasizes the child-centered learning approach characteristic of Montessori education.

What Parents Should Know

With an enrollment of 55 students, Centennial 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 6.1:1, Centennial 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, Centennial 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 Centennial Montessori School compares to 17 public schools serving similar grades in San Mateo, CA

Student-Teacher Ratio
6.1:1
This School
vs
19.6:1
Public Avg
Avg School Size
55
This School
vs
424
Public Avg
Avg School Scout Rating
7.4
This School
vs
6.3
Public Avg

Student Demographics

White 47.3% vs 0%
Asian 18.2% vs 0%
Hispanic 3.6% vs 0%
Centennial Montessori School San Mateo Public Avg

Nearby Elementary Schools

School Rating
Centennial Montessori School (this school) 7.4
Sunnybrae Elementary 5.0
Borel Middle 5.6
Baywood Elementary 5.1
Fiesta Gardens International Elementary 6.6
Parkside Montessori 8.9
LEAD Elementary 5.6
North Shoreview Montessori 9.1
Meadow Heights Elementary 5.2
Beresford Elementary 6.7
College Park Elementary 7.0
Bayside Academy 6.1
San Mateo Park Elementary 3.4
Abbott Middle 6.9
Laurel Elementary 3.6
George Hall Elementary 9.3
Highlands Elementary 6.0
Gateway Center

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 9.0 / 10
View breakdown
Student-Teacher Ratio 6.1:1
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 7.2 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- 7.9 / 10
View breakdown
Diversity Index 65%
Community Context

Data Unavailable

School Profile
? Enrollment size and grade span breadth — indicators of program depth and peer community. (15% of overall score)
C+ 3.8 / 10
View breakdown
Enrollment 55
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 47.3%
Two or More 30.9%
Asian 18.2%
Hispanic 3.6%

Source: NCES Private School Survey (PSS)

Location

27 AND 6 10TH AVE, San Mateo, CA 94401

Nearby Alternatives

Families considering Centennial Montessori School may also want to explore other elementary schools in the area. North Shoreview Montessori (rated 9.1/10, 1.3 miles away), which scores notably higher. Another option is THE CAREY SCHOOL (rated 8.7/10, 0.9 miles away), which scores notably higher. Additionally, EPISCOPAL DAY SCHOOL OF ST. MATTHEW (rated 8.0/10, 0.7 miles away), which scores slightly higher. For more schools in San Mateo, see our San Mateo schools guide .

Nearby Schools

20 within 1.2 mi
School Distance Rating
St. Matthew Catholic San Mateo 0.2 mi
Sunnybrae Elementary San Mateo 0.5 mi 5.0
Borel Middle San Mateo 0.5 mi 5.6
EPISCOPAL DAY SCHOOL OF ST. MATTHEW San Mateo 0.7 mi 8.0
Episcopal Day School of St. Matthew San Mateo 0.7 mi
JUNIPERO SERRA HIGH SCHOOL San Mateo 0.8 mi 5.3
UP ACADEMY San Mateo 0.8 mi
The Carey School San Mateo 0.9 mi
Aragon High San Mateo 0.7 mi 8.5
THE CAREY SCHOOL San Mateo 0.9 mi 8.7
FUSION ACADEMY - SAN MATEO San Mateo 0.9 mi 7.2
Fusion Academy San Mateo San Mateo 0.9 mi
UP ACADEMY, INC. San Mateo 0.8 mi
COMPASS HIGH SCHOOL San Mateo 0.8 mi
Baywood Elementary San Mateo 0.8 mi 5.1
TULANE MONTESSORI CHILDREN'S HOUSE San Mateo 1.0 mi
THE BURKARD SCHOOL San Mateo 1.1 mi 5.4
North Shoreview Montessori San Mateo 1.3 mi 9.1
The Burkard School San Mateo 1.1 mi
ST TIMOTHY SCHOOL San Mateo 1.2 mi 6.3

Neighborhood Census ACS (2019-2023)

Census data for ZIP 94401 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$121,258

Median Home Value

$1,123,300

Median Rent

$2,713/mo

Population

35,628

College Educated

45.3%

Homeownership

44.4%

Avg Commute

27.1 min

Poverty Rate

10.9%

Median Age

35.9

Community Profile

The community surrounding Centennial Montessori School has a median household income of $121,258. It is a well-educated community where 45% of adults hold a bachelor's degree or higher. The median home value in the area is $1,123,300, with a median rent of $2,713/month. The area has a poverty rate of 10.9%. The average commute for residents is 27 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
ACADEMY OF THE ARTS Redondo Beach, CA 7.4
Annie E. Cheney Kindergarten Coalinga, CA 7.4
FRONTIERS ACADEMY Costa Mesa, CA 7.4
KINDERHOUSE MONTESSORI SCHOOL San Diego, CA 7.4
SOLANO CHRISTIAN ACADEMY Fairfield, CA 7.4
WESTSIDE WALDORF SCHOOL Pacific Palisades, CA 7.4

Frequently Asked Questions

Common questions about Centennial Montessori School

What grades does Centennial Montessori School serve?

Centennial Montessori School serves students in grades Pre-K through 6th.

How many students attend Centennial Montessori School?

Centennial Montessori School has an enrollment of approximately 55 students.

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

The student-teacher ratio at Centennial Montessori School is 6.1:1. A lower ratio generally means more individual attention per student. The national average is approximately 11:1 for private schools.

How does Centennial Montessori School rank in CA?

Centennial Montessori School is ranked #291 out of 1,790 private schools in CA.

What is Centennial Montessori School's MySchoolScout rating?

Centennial Montessori School has a composite rating of 7.4 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 Centennial Montessori School a private school?

Yes, Centennial 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 Centennial Montessori School a religious school?

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

11 schools nearby View map →

Neighborhood Context

Walk Score
88 Very Walkable
Transit Score
46 Some Transit
Bike Score
84 Very Bikeable
City Safety
High (2,131/100K)

Powered by Walk Score

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

Quick Facts NCES PSS (SY 2021-22)

Grades
Pre-K – 6th
Enrollment
55
Gender Split
44% M / 56% F
Student-Teacher Ratio
6.1:1
Teachers (FTE)
9
Type
private
Coed Status
coed
Affiliation
Nonsectarian
School Day
7.2 hours
Days Per Year
175 days
Setting
Midsize City
County
SAN MATEO
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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