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Average

#895 of 1,790 private schools in CA

Top 50% of private schools

Oak Knoll Montessori School

School

3544 CANON BLVD, Altadena, CA 91001

Private Estimated Score

Estimated academic score. This school does not have standardized test data. Based on 8 schools in Altadena. Learn more

Enrollment

60

Student-Teacher

10.2:1

Score

6.3

Grades

Pre-K – Pre-K

Updated 2021-22

How this school compares

In Altadena

#6 of 6

public schools

California schools

#191 of 366

Academic performance

7.0 / 10

Strong

About Oak Knoll Montessori School

Oak Knoll Montessori School serves 60 prekindergarten students in Altadena, offering an intimate learning environment with a remarkable 10.2:1 student-teacher ratio. With just 6 full-time equivalent teachers, this regular public school provides personalized attention that supports the Montessori educational approach for its youngest learners. The school has earned impressive recognition, receiving a 9.0 out of 10 MySchoolScout rating and ranking #676 out of 1790 California schools, placing it in the 62nd percentile statewide.

This strong performance reflects the school's commitment to early childhood education excellence. Located on Canon Boulevard, Oak Knoll Montessori sits in an affluent and well-educated community where 52% of residents hold bachelor's degrees or higher. The neighborhood's median household income of $129,030 and low poverty rate of 7.1% create a stable environment for learning.

Families in the area demonstrate significant investment in education, as reflected by the median home value of over $1 million. The school's focus on prekindergarten education makes it an ideal foundation for young children beginning their academic journey. Oak Knoll Montessori operates within Altadena's large suburban setting, providing families with quality early childhood education in Los Angeles County's well-established residential community.

What Parents Should Know

With an enrollment of 60 students, Oak Knoll 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.

As a private school, Oak Knoll 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
$45,207
Per-Pupil Revenue
Total revenue ÷ enrollment
$46,558
Financial Health
Revenue-to-expense ratio (>1.0 = surplus)
1.03x — Stable
Tuition Dependency
Share of revenue from program services (tuition, fees)
78%
Total Assets
End-of-year total assets from IRS filing
$862,065

Financial data from IRS Form 990 filings via ProPublica Nonprofit Explorer. Per-pupil figures based on current enrollment of 60 students. Not all private schools file Form 990.

Compare to Public Schools

Beta

How Oak Knoll Montessori School compares to the 8 public schools in Altadena, CA

Student-Teacher Ratio
10.2:1
This School
vs
20.1:1
Public Avg
Avg School Size
60
This School
vs
380
Public Avg
Avg School Scout Rating
6.3
This School
vs
7.6
Public Avg

Student Demographics

White 48.3% vs 0%
Hispanic 18.3% vs 0%
Asian 18.3% vs 0%
Black 10% vs 0%
Oak Knoll Montessori School Altadena Public Avg

All Schools in Altadena

School Rating
Oak Knoll Montessori School (this school) 6.3
Pasadena Rosebud Academy 9.1
OCS - South 7.2
Altadena Elementary 8.1
Aveson Global Leadership Academy 5.7
Charles W. Eliot Middle 6.4
Odyssey Charter 7.5
Aveson School of Leaders 8.6
Mary W. Jackson STEAM Multilingual Magnet Elementary 7.8

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+ 6.9 / 10
View breakdown
Student-Teacher Ratio 10.2:1
Instructional Commitment
? Total annual instructional hours based on school day length and days per year. (15% of overall score)
C+ 4.3 / 10
View breakdown
School Day Length 6.8 hours
Annual Instructional Hours 1,156
Diversity & Inclusion
? Racial and ethnic diversity of the student body using Simpson's diversity index. (20% of overall score)
A 8.7 / 10
View breakdown
Diversity Index 69%
Community Context

Data Unavailable

School Profile
? Enrollment size and grade span breadth — indicators of program depth and peer community. (15% of overall score)
C+ 4.1 / 10
View breakdown
Enrollment 60
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 48.3%
Hispanic 18.3%
Asian 18.3%
Black 10.0%
Two or More 5.0%

Source: NCES Private School Survey (PSS)

Location

3544 CANON BLVD, Altadena, CA 91001

Nearby Alternatives

Families considering Oak Knoll Montessori School may also want to explore other schools in the area. Pasadena Rosebud Academy (rated 9.1/10), which scores notably higher. Another option is Aveson School of Leaders (rated 8.6/10, 1.6 miles away), which scores notably higher. Additionally, STRATFORD SCHOOL- ALTADENA ALLEN (rated 8.2/10, 2.1 miles away), which scores notably higher. For more schools in Altadena, see our Altadena schools guide .

Nearby Schools

20 within 2.4 mi
School Distance Rating
Pasadena Rosebud Academy Altadena 0.0 mi 9.1
Saint Mark's School Altadena 1.1 mi
OCS - South Altadena 0.9 mi 7.2
PASADENA WALDORF SCHOOL Altadena 1.0 mi 7.3
ST MARKS SCHOOL - ALTADENA Altadena 1.1 mi 7.7
SAHAG-MESROB ARMENIAN CHRISTIAN SCHOOL Altadena 1.1 mi 7.3
Sahag-Mesrob Armenian Christian School Altadena 1.1 mi
FAIR OAKS SCHOOL Altadena 1.2 mi
Altadena Elementary Altadena 1.3 mi 8.1
Charles W. Eliot Middle Altadena 1.5 mi 6.4
Aveson Global Leadership Academy Altadena 1.4 mi 5.7
Aveson School of Leaders Altadena 1.6 mi 8.6
Odyssey Charter Altadena 1.6 mi 7.5
St Elizabeth Parish School Altadena 1.9 mi
ST ELIZABETH SCHOOL Altadena 1.9 mi 6.9
Harriet Tubman Pasadena 1.9 mi
HARRIET TUBMAN PRESCHOOL & ELEMENTARY Pasadena 1.9 mi
STRATFORD SCHOOL- ALTADENA ALLEN Altadena 2.1 mi 8.2
PASADENA CHRISTIAN SCHOOL Pasadena 2.3 mi 7.6
Octavia E. Butler Magnet Pasadena 2.4 mi 7.2

Neighborhood Census ACS (2019-2023)

Census data for ZIP 91001 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$133,840

Median Home Value

$1,085,000

Median Rent

$2,298/mo

Population

36,402

College Educated

52.1%

Homeownership

80.5%

Avg Commute

27.9 min

Poverty Rate

7.2%

Median Age

46.1

Community Profile

The community surrounding Oak Knoll Montessori School has a median household income of $133,840. It is a well-educated community where 52% of adults hold a bachelor's degree or higher. The median home value in the area is $1,085,000, with a median rent of $2,298/month. The local poverty rate of 7.2% is relatively low. The average commute for residents is 28 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
CYPRESS SCHOOL Petaluma, CA 6.3
EASTSIDE CHRISTIAN SCHOOL Fullerton, CA 6.3
LIVING WISDOM SCHOOL OF PALO ALTO Palo Alto, CA 6.3
OAK HILL SCHOOL San Anselmo, CA 6.3
PADRE PIO ACADEMY Garden Grove, CA 6.3
Placer County Special Education Auburn, CA 6.3

Frequently Asked Questions

Common questions about Oak Knoll Montessori School

What grades does Oak Knoll Montessori School serve?

Oak Knoll Montessori School serves students in grades Pre-K through Pre-K.

How many students attend Oak Knoll Montessori School?

Oak Knoll Montessori School has an enrollment of approximately 60 students.

What is the student-teacher ratio at Oak Knoll Montessori School?

The student-teacher ratio at Oak Knoll Montessori School is 10.2:1. A lower ratio generally means more individual attention per student. The national average is approximately 11:1 for private schools.

How does Oak Knoll Montessori School rank in CA?

Oak Knoll Montessori School is ranked #895 out of 1,790 private schools in CA.

What is Oak Knoll Montessori School's MySchoolScout rating?

Oak Knoll Montessori School has a composite rating of 6.3 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 Oak Knoll Montessori School a private school?

Yes, Oak Knoll 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 Oak Knoll Montessori School a religious school?

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

11 schools nearby View map →

Quick Facts NCES PSS (SY 2021-22)

Grades
Pre-K – Pre-K
Enrollment
60
Gender Split
50% M / 50% F
Student-Teacher Ratio
10.2:1
Teachers (FTE)
6
Type
private
Coed Status
coed
Affiliation
Nonsectarian
School Day
6.8 hours
Days Per Year
170 days
Setting
Large Suburb
County
LOS ANGELES
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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