The brief
A private elementary school in Altadena, CA serving grades Pre-K – 8th.
It ranks 261 of 1,893 schools in California.
Oak Knoll Montessori School is a private school: it enrolls by application and tuition, and its rating comes from the private-school model, which is not comparable with a public rating.
About this school's datarating: low confidence · 3 sources, 2019–2024
Every number on this page comes from a published source with a stated period. Where a source is partial, aging, an estimate, or describes a surrounding area rather than the school, that limitation is named here.
- Estimated academic score. This school does not have standardized test data. Based on 8 schools in Altadena. Learn more
- What this rating measures: classroom size, instructional time, student diversity, community resources, and school characteristics. Private schools are ranked against other private schools in CA.
- Component weights adjusted due to data availability.
Score basis: private school model. Data coverage: 80% of scoring components had data. Components scored: 4 of 5. Ranking pool: private schools in CA.
- School directory (enrollment, grades, staff, contact)
- NCES Private School Universe Survey (PSS) · SY 2023–24 · Low confidence
- Vintage not available. Do not use this measure alone.
- MySchoolScout rating and rank
- MySchoolScout ranking model · Low confidence
- Vintage not available. Do not use this measure alone.
- Available for part of the eligible units; results may not represent the full area.
- Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
- Neighborhood (income, housing, education)
- U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
- Older source: ACS 2019–2023 5-year estimates. Use as historical context.
- Reported for the ZCTA for ZIP 91001; this does not measure the attendance area.
Evidence periods: Rating mixed/unknown input periods; assessments vintage unavailable; directory SY 2023–24
The neighborhood
Where it sits, and what the area looks like.Open the Los Angeles school map to see school quality against home prices across the metro.
The area
- Median income
- $133,840
- Median home value
- $1,085,000
- Median rent
- $2,298/mo
- College educated
- 52.1%
- Homeownership
- 80.5%
- Poverty rate
- 7.2%
U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 91001; this is area context, not an attendance boundary.
Getting around
- Walk Score
- 25
- Car-Dependent
- Bike Score
- 16
- Somewhat Bikeable
- County reported crime
- 2,710/100K
- Reported Part-1 offenses (violent + property + arson) per 100,000 county residents, counting every city police department, sheriff's office and county police department that reported a full year to the FBI Uniform Crime Reporting program. Shown only where those agencies cover at least 80% of the county's residents. Not a school safety rating.
Walk, transit and bike scores by
FBI Uniform Crime Reporting · 2025 · county context, not school-level safety or attendance eligibility. Source details
Programs and who goes here
What the campus offers, and who it enrolls.Who goes here
- White59%
- Hispanic19%
- Asian10%
- Two or More8%
- Black4%
Enrollment mix: NCES Private School Universe Survey (PSS).
Compare nearby
Grade-compatible schools using the same rating model.- 7.9Compare →
- 7.7Compare →
- Oak Knoll Montessori School7.5
- 7.1Compare →
- 6.5Compare →
- 5.4Compare →
- not ratedCompare →
- not ratedCompare →
- not ratedCompare →
Distance is proximity only; it is not attendance eligibility.
Private · tuition: Potential private option; tuition and admission requirements have not been verified.
The record
What is on file, and where each number came from.Questions families ask
What grades does Oak Knoll Montessori School serve?
Oak Knoll Montessori School serves students in grades Pre-K through 8th.
How many students attend Oak Knoll Montessori School?
Oak Knoll Montessori School has an enrollment of approximately 51 students.
What is the student-teacher ratio at Oak Knoll Montessori School?
The student-teacher ratio at Oak Knoll Montessori School is 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 ranks #261 of 1,893 private schools in CA.
What is Oak Knoll Montessori School's MySchoolScout rating?
Oak Knoll Montessori School has a current MySchoolScout rating of 7.5 out of 10. This score combines the level-appropriate components shown in the rating breakdown; 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.
School facts
- Grades
- Pre-K – 8th
- Enrollment
- 51
- Gender split
- 49% M / 51% F
- Student-teacher ratio
- 2:1
- Teachers (FTE)
- 25
- Type
- Private
- Coed status
- Coed
- Affiliation
- Nonsectarian
- School day
- 7 hours
- Days per year
- 180 days
- Setting
- Large Suburb
- County
- Los Angeles County
- Phone
- (626) 345-9929
- Area population (ZIP 91001)
- 36,402
- Area average commute
- 27.9 min
- Area median age
- 46.1
NCES Private School Universe Survey (PSS) (SY 2023–24).
Sources and official links
Keep exploring
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Data from NCES Common Core of Data, California Dept. of Education, and U.S. Census ACS for the 2023–24 school year. Rankings computed by MySchoolScout. See all data sources.