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
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
Enrollment
60
Student-Teacher
10.2:1
Score
6.3
Grades
Pre-K – Pre-K
Updated
2021-22
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
BetaHow Oak Knoll Montessori School compares to the 8 public schools in Altadena, CA
Student Demographics
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.
Data Unavailable
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)
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.
Explore More Schools
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
- Phone
- (626) 345-9929
- Data Year
- 2022–2023
Resources & Links
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.
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