Very Good
#374 of 1,790 private schools in CA
Top 21% of private schools
Marin Primary & Middle School
Elementary School
20 MAGNOLIA AVE, Larkspur, CA 94939
Estimated academic score. This school does not have standardized test data. Based on CA statewide data. Learn more
Enrollment
221
Student-Teacher
5.8:1
Score
7.2
Grades
Pre-K – 8th
Enrollment
221
Student-Teacher
5.8:1
Score
7.2
Grades
Pre-K – 8th
Updated
2021-22
Updated 2021-22
How this school compares
In Larkspur
#2 of 2
public schools
California elementary schools
#213 of 1,102
About Marin Primary & Middle School
Marin Primary & Middle School serves 221 students from pre-kindergarten through eighth grade in Larkspur, California. This regular public school stands out with an exceptional student-teacher ratio of 5.8 to 1, supported by 38 full-time equivalent teachers who can provide individualized attention to each child. The school has earned recognition for its academic excellence, receiving a 9.0 out of 10 rating from MySchoolScout and ranking #245 out of 1,790 schools statewide, placing it in the 86th percentile among California schools.
This strong performance reflects the school's commitment to educational quality across its pre-K through middle school program. Marin Primary & Middle School draws families from an affluent and highly educated community, where 76% of residents hold bachelor's degrees or higher and the median household income reaches $156,250. The neighborhood's low poverty rate of 6.9% and median home values exceeding $2 million reflect the area's prosperity and investment in education.
Located on Magnolia Avenue in this large suburban community of 7,488 residents, the school benefits from Larkspur's family-friendly atmosphere and strong educational values, creating an environment where academic achievement and community support go hand in hand.
What Parents Should Know
With a student-teacher ratio of 5.8:1, Marin Primary & Middle 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, Marin Primary & Middle 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
- $57,261
- Per-Pupil Revenue
- Total revenue ÷ enrollment
- $61,658
- Financial Health
- Revenue-to-expense ratio (>1.0 = surplus)
- 1.08x — Stable
- Tuition Dependency
- Share of revenue from program services (tuition, fees)
- 80%
- Total Assets
- End-of-year total assets from IRS filing
- $37.3M
Financial data from IRS Form 990 filings via ProPublica Nonprofit Explorer. Per-pupil figures based on current enrollment of 221 students. Not all private schools file Form 990.
Compare to Public Schools
BetaHow Marin Primary & Middle School compares to the 4 public schools in Larkspur, CA
Student Demographics
All Schools in Larkspur
| School | Rating |
|---|---|
| Marin Primary & Middle School (this school) | 7.2 |
| San Andreas High (Continuation) | 7.8 |
| Tamiscal High (Alternative) | 4.0 |
| Hall Middle | 8.4 |
| Redwood High | 8.5 |
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
20 MAGNOLIA AVE, Larkspur, CA 94939
Nearby Alternatives
Families considering Marin Primary & Middle School may also want to explore other elementary schools in the area. Park Elementary (rated 9.0/10, 1.8 miles away, in nearby Mill Valley), which scores notably higher. Another option is TERRA MARIN SCHOOL (rated 7.9/10, 1.5 miles away, in nearby Mill Valley), which scores slightly higher. Additionally, Old Mill Elementary (rated 7.8/10, 1.9 miles away, in nearby Mill Valley), which scores slightly higher. For more schools in Larkspur, see our Larkspur schools guide .
Nearby Schools
20 within 2.3 mi| School | Distance | Rating |
|---|---|---|
| OAc San Francisco Larkspur | 0.1 mi | — |
| Chronos Academy Lakspur | 0.1 mi | — |
| ST PATRICK SCHOOL Larkspur | 0.5 mi | 7.2 |
| San Andreas High (Continuation) Larkspur | 0.6 mi | 7.8 |
| Tamiscal High (Alternative) Larkspur | 0.6 mi | 4.0 |
| Neil Cummins Elementary Corte Madera | 0.5 mi | 5.9 |
| Hall Middle Larkspur | 0.7 mi | 8.4 |
| Redwood High Larkspur | 0.8 mi | 8.5 |
| Edna Maguire Elementary Mill Valley | 1.5 mi | 6.4 |
| MARIN CATHOLIC HIGH SCHOOL Kentfield | 1.5 mi | 5.3 |
| TERRA MARIN SCHOOL Mill Valley | 1.5 mi | 7.9 |
| Anthony G. Bacich Elementary Kentfield | 1.6 mi | 7.7 |
| NORTH BRIDGE ACADEMY Mill Valley | 1.7 mi | 6.0 |
| North Bridge Academy Mill Valley | 1.7 mi | — |
| Park Elementary Mill Valley | 1.8 mi | 9.0 |
| THE HELIX SCHOOL Mill Valley | 1.8 mi | — |
| Adaline E. Kent Middle Kentfield | 1.9 mi | 9.1 |
| Old Mill Elementary Mill Valley | 1.9 mi | 7.8 |
| Mill Valley Middle Mill Valley | 2.2 mi | 8.6 |
| MARIN HORIZON SCHOOL Mill Valley | 2.3 mi | 7.5 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 94939 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$182,743
Median Home Value
$2,000,001
Median Rent
$3,104/mo
Population
7,372
College Educated
76.2%
Homeownership
49.3%
Avg Commute
29.7 min
Poverty Rate
6.7%
Median Age
46.7
Community Profile
The community surrounding Marin Primary & Middle School has a median household income of $182,743. It is a well-educated community where 76% of adults hold a bachelor's degree or higher. The median home value in the area is $2,000,001, with a median rent of $3,104/month. The local poverty rate of 6.7% is relatively low. The average commute for residents is 30 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 |
|---|---|
| Alvina Elementary Charter Caruthers, CA | 7.2 |
| Anatola Avenue Elementary Lake Balboa, CA | 7.2 |
| BETHANY CHRISTIAN SCHOOL Sierra Madre, CA | 7.2 |
| BRAWERMAN WEST ELEMENTARY OF WILSHIRE BLVD TEMPLE Los Angeles, CA | 7.2 |
| Ballico-Cressey Community Charter Ballico, CA | 7.2 |
| Barron Park Elementary Palo Alto, CA | 7.2 |
Frequently Asked Questions
Common questions about Marin Primary & Middle School
What grades does Marin Primary & Middle School serve?
Marin Primary & Middle School serves students in grades Pre-K through 8th.
How many students attend Marin Primary & Middle School?
Marin Primary & Middle School has an enrollment of approximately 221 students.
What is the student-teacher ratio at Marin Primary & Middle School?
The student-teacher ratio at Marin Primary & Middle School is 5.8:1. A lower ratio generally means more individual attention per student. The national average is approximately 11:1 for private schools.
How does Marin Primary & Middle School rank in CA?
Marin Primary & Middle School is ranked #374 out of 1,790 private schools in CA.
What is Marin Primary & Middle School's MySchoolScout rating?
Marin Primary & Middle School has a composite rating of 7.2 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 Marin Primary & Middle School a private school?
Yes, Marin Primary & Middle 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 Marin Primary & Middle School a religious school?
No, Marin Primary & Middle School is a nonsectarian (non-religious) private school.
Explore More Schools
Neighborhood Context
Quick Facts NCES PSS (SY 2021-22)
- Grades
- Pre-K – 8th
- Enrollment
- 221
- Gender Split
- 53% M / 47% F
- Student-Teacher Ratio
- 5.8:1
- Teachers (FTE)
- 38
- Type
- private
- Coed Status
- coed
- Affiliation
- Nonsectarian
- School Day
- 7 hours
- Days Per Year
- 175 days
- Setting
- Large Suburb
- County
- MARIN
- Phone
- (415) 413-9040
- 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.
Read our full methodologyRelated reading
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