The brief
A private middle school in Larkspur, CA serving grades 1st – 8th.
Chronos Academy 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 data2 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.
- Based on limited data: 0% component coverage.
- We don't have enough verified data to rate this school fairly. Private schools in CA aren't required to report standardized test scores to the state, which limits the data available for our rating model. Our rating model requires at least 2 of 3 data components (academics, student progress, college readiness, and resources) to generate a meaningful score. Schools below this threshold receive a Limited Profile to avoid misleading ratings. Learn more about our methodology
- 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.
- 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 94939; this does not measure the attendance area.
Evidence periods: Rating not displayed; assessments vintage unavailable; directory SY 2023–24
The neighborhood
Where it sits, and what the area looks like.Open the San Francisco Bay Area school map to see school quality against home prices across the metro.
The area
- Median income
- $182,743
- Median home value
- $2,000,001
- Median rent
- $3,104/mo
- College educated
- 76.2%
- Homeownership
- 49.3%
- Poverty rate
- 6.7%
U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 94939; this is area context, not an attendance boundary.
Getting around
- Walk Score
- 86
- Very Walkable
- Bike Score
- 63
- Bikeable
- County reported crime
- 1,411/100K
- 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
- White78%
- Black11%
- Asian11%
Enrollment mix: NCES Private School Universe Survey (PSS).
Compare nearby
Grade-compatible schools using the same rating model.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 Chronos Academy serve?
Chronos Academy serves students in grades 1st through 8th.
How many students attend Chronos Academy?
Chronos Academy has an enrollment of approximately 18 students.
What is the student-teacher ratio at Chronos Academy?
The student-teacher ratio at Chronos Academy is 4.6:1. A lower ratio generally means more individual attention per student. The national average is approximately 11:1 for private schools.
Is Chronos Academy a private school?
Yes, Chronos Academy 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 Chronos Academy a religious school?
No, Chronos Academy is a nonsectarian (non-religious) private school.
School facts
- Grades
- 1st – 8th
- Enrollment
- 18
- Gender split
- 78% M / 22% F
- Student-teacher ratio
- 4.6:1
- Teachers (FTE)
- 4
- Type
- Private
- Coed status
- Coed
- Affiliation
- Nonsectarian
- School day
- 7 hours
- Days per year
- 167 days
- Setting
- Large Suburb
- County
- Marin County
- Phone
- (415) 383-2283
- Area population (ZIP 94939)
- 7,372
- Area average commute
- 29.7 min
- Area median age
- 46.7
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.