Very Good
#237 of 1,787 private schools in CA
Top 13% of private schools
Marin Horizon School
Elementary School
305 MONTFORD AVE, Mill Valley, CA 94941
Enrollment
185
Student-Teacher
6.6:1
Score
7.5
Grades
Pre-K – 8th
Enrollment
185
Student-Teacher
6.6:1
Score
7.5
Grades
Pre-K – 8th
Data vintage
2021-22
Data vintage2021-22
How this school compares
California private schools
#237 of 1,787
In Mill Valley
#2 of 4
public schools
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Marin Horizon School
Elementary School in Mill Valley · grades Pre-K – 8th. Start here, then compare fit against nearby and district options.
Park Elementary
0.6 mi away. Use as a geographic alternative in the same move search.
North Bridge Academy
0.7 mi away. Use as a geographic alternative in the same move search.
About Marin Horizon School
Marin Horizon School is a private elementary school in Mill Valley, CA. Marin Horizon School serves approximately 185 students, and covers grades Pre-K-8th, and has a 6.6:1 student-teacher ratio. Marin Horizon School has a current MySchoolScout rating of 7.5 out of 10 and ranks #237 of 1,787 private schools in CA.
- This school 7.5 · Very Good
- CA avg 6.2
What Parents Should Know
At 185 students, Marin Horizon School is on the smaller side. That usually buys more individual attention and teachers who know every kid by name, with the trade-off of fewer electives and extracurriculars than a larger school can staff. Ask what activities it actually offers.
At 6.6:1 students to teachers, Marin Horizon School sits well below the national average. Smaller classes like that usually mean more one-on-one time between students and teachers.
Marin Horizon School is private, so it runs independently of the local district and sets its own curriculum. That freedom cuts both ways depending on what you want for your child. If you're considering it, start with the practical questions: tuition, financial aid, and how admissions work.
Compare to Public Schools
BetaHow Marin Horizon School compares to 6 public schools serving similar grades in Mill Valley, CA
Student Demographics
Nearby Elementary Schools
| School | Rating |
|---|---|
| Marin Horizon School (this school) | 7.5 |
| Park Elementary | 8.9 |
| Mill Valley Middle | 8.7 |
| Old Mill Elementary | 9.2 |
| Edna Maguire Elementary | 7.9 |
| Tamalpais Valley Elementary | 9.2 |
| Strawberry Point Elementary | 9.1 |
Demographics sourced from NCES Private School Survey (PSS) and Common Core of Data (CCD). Comparisons are based on enrollment-weighted averages.
Score Breakdown
PreliminaryWhat 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
305 MONTFORD AVE, Mill Valley, CA 94941
Nearby Alternatives
Families considering Marin Horizon School may also want to explore other elementary schools in the area. Old Mill Elementary (rated 9.2/10, 0.8 miles away), which scores notably higher. Another option is Tamalpais Valley Elementary (rated 9.2/10, 1.8 miles away), which scores notably higher. Additionally, Park Elementary (rated 8.9/10, 0.6 miles away), which scores notably higher. For more schools in Mill Valley, see our Mill Valley schools guide .
Nearby Schools
20 within 2.7 mi| School | Distance | Rating |
|---|---|---|
| Marin Horizon School Mill Valley | 0.0 mi | — |
| Park Elementary Mill Valley | 0.6 mi | 8.9 |
| North Bridge Academy Mill Valley | 0.7 mi | — |
| NORTH BRIDGE ACADEMY Mill Valley | 0.7 mi | 6.0 |
| MOUNT TAMALPAIS SCHOOL Mill Valley | 0.8 mi | 6.9 |
| Mount Tamalpais School Mill Valley | 0.8 mi | — |
| Old Mill Elementary Mill Valley | 0.8 mi | 9.2 |
| Terra Marin School Mill Valley | 1.0 mi | — |
| Mill Valley Middle Mill Valley | 0.8 mi | 8.7 |
| Tamalpais High Mill Valley | 0.9 mi | 7.9 |
| THE HELIX SCHOOL Mill Valley | 1.1 mi | — |
| Edna Maguire Elementary Mill Valley | 1.3 mi | 7.9 |
| TERRA MARIN SCHOOL Mill Valley | 1.4 mi | 7.9 |
| Tamalpais Valley Elementary Mill Valley | 1.8 mi | 9.2 |
| MARIN PRIMARY & MIDDLE SCHOOL Larkspur | 2.3 mi | 7.2 |
| OAc San Francisco Larkspur | 2.4 mi | — |
| Chronos Academy Lakspur | 2.4 mi | — |
| Neil Cummins Elementary Corte Madera | 2.5 mi | 8.6 |
| Dr. Martin Luther King Jr. Academy Sausalito | 2.3 mi | 6.7 |
| ST PATRICK SCHOOL Larkspur | 2.7 mi | 7.2 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 94941 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$210,217
Median Home Value
$1,990,100
Median Rent
$2,949/mo
Population
32,349
College Educated
76.9%
Homeownership
66.6%
Avg Commute
27.5 min
Poverty Rate
5.4%
Median Age
45.6
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Alcott Elementary San Diego, CA | 7.5 |
| BEECHWOOD SCHOOL Menlo Park, CA | 7.5 |
| Branch Elementary Arroyo Grande, CA | 7.5 |
| Chrysalis Charter Palo Cedro, CA | 7.5 |
| Cubberley Elementary San Diego, CA | 7.5 |
| Garvanza Elementary Los Angeles, CA | 7.5 |
Frequently Asked Questions
Common questions about Marin Horizon School
What grades does Marin Horizon School serve?
Marin Horizon School serves students in grades Pre-K through 8th.
How many students attend Marin Horizon School?
Marin Horizon School has an enrollment of approximately 185 students.
What is the student-teacher ratio at Marin Horizon School?
The student-teacher ratio at Marin Horizon School is 6.6:1. A lower ratio generally means more individual attention per student. The national average is approximately 11:1 for private schools.
How does Marin Horizon School rank in CA?
Marin Horizon School ranks #237 of 1,787 private schools in CA.
What is Marin Horizon School's MySchoolScout rating?
Marin Horizon 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 Marin Horizon School a private school?
Yes, Marin Horizon 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 Horizon School a religious school?
No, Marin Horizon School is a nonsectarian (non-religious) private school.
Neighborhood Context
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Quick Facts NCES PSS (SY 2021-22)
- Grades
- Pre-K – 8th
- Enrollment
- 185
- Gender Split
- 54% M / 46% F
- Student-Teacher Ratio
- 6.6:1
- Teachers (FTE)
- 28
- Type
- private
- Coed Status
- coed
- Affiliation
- Nonsectarian
- School Day
- 7 hours
- Days Per Year
- 172 days
- Setting
- Large Suburb
- County
- Marin County
- Phone
- (415) 388-8408
Resources & Links
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