Average
#737 of 3,177 private schools in CA
Top 23% of private schools
Mark Day School
Elementary School
39 Trellis Drive, San Rafael, CA 94903
About Mark Day School
Mark Day School is an private elementary school in San Rafael, CA 94903. The school serves approximately 383 students in grades Kindergarten – 8th with a student-teacher ratio of 9.6:1. It holds a MySchoolScout rating of 5.5/10, placing it in the 76.8th percentile among private schools in CA — an average rating overall.
The school scores particularly well in school profile (7.5/10), ranked among private schools in CA. Located in a neighborhood with a median household income of $127,464, where 55% of adults hold a bachelor's degree or higher. Compared to the 15 public schools in San Rafael, Mark Day School rates higher overall (5.5 vs 4.8 average).
Compare to Public Schools
BetaHow Mark Day School compares to 15 public schools serving similar grades in San Rafael, CA
Nearby Elementary Schools
| School | Rating |
|---|---|
| Mark Day School (this school) | 5.5 |
| Vallecito Elementary | 5.4 |
| Marin County Special Education | 4.0 |
| Marin's Community | 2.1 |
| Sun Valley Elementary | 6.7 |
| Marin County Juvenile Court | 5.5 |
| Miller Creek Middle | 5.2 |
| Venetia Valley K-8 | 3.8 |
| Lucas Valley Elementary | 4.6 |
| Mary E. Silveira Elementary | 3.6 |
| Coleman Elementary | 4.3 |
| James B. Davidson Middle | 6.2 |
| Laurel Dell Elementary | 5.5 |
| San Pedro Elementary | 4.5 |
| Bahia Vista Elementary | 4.8 |
| Glenwood Elementary | 6.4 |
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
Data Unavailable
Data Unavailable
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Score basis: Private school model
Data coverage: 45% of scoring components had data
Components scored: 2 of 5
Ranking pool: Private schools in CA
Test Scores
Test score data not yet available for this school.
Location
39 Trellis Drive, San Rafael, CA 94903
Nearby Schools
20 within 1.7 mi| School | Distance | Rating |
|---|---|---|
| MARK DAY SCHOOL San Rafael | 0.0 mi | 5.5 |
| Saint Isabella School San Rafael | 0.2 mi | 5.5 |
| Vallecito Elementary San Rafael | 0.2 mi | 5.4 |
| Terra Linda High San Rafael | 0.5 mi | 7.6 |
| Montessori de Terra Linda San Rafael | 0.5 mi | 5.5 |
| Phoenix Academy San Rafael | 0.5 mi | 5.5 |
| Marin County Special Education San Rafael | 0.5 mi | 4.0 |
| Marin's Community San Rafael | 0.5 mi | 2.1 |
| BOOST of Cypress School San Rafael | 1.0 mi | 5.5 |
| ICE CREAM & SHOE PRESCHOOL & KINDERGARTEN INC. San Rafael | 1.0 mi | 5.5 |
| Fusion Academy Marin San Rafael | 1.1 mi | 5.5 |
| FUSION ACADEMY MARIN San Rafael | 1.1 mi | 5.5 |
| Hidden Valley Elementary San Anselmo | 1.0 mi | 8.2 |
| Marin Waldorf School San Rafael | 1.4 mi | 5.5 |
| STAR ACADEMY San Rafael | 1.2 mi | 5.5 |
| MARIN WALDORF SCHOOL San Rafael | 1.5 mi | 5.5 |
| Sun Valley Elementary San Rafael | 1.5 mi | 6.7 |
| Marin County Juvenile Court San Rafael | 1.6 mi | 5.5 |
| Miller Creek Middle San Rafael | 1.6 mi | 5.2 |
| Irene M. Hunt School / Side by Side San Anselmo | 1.7 mi | 7.8 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 94903 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$127,464
Median Home Value
$1,149,400
Median Rent
$3,026/mo
Population
31,135
College Educated
55.1%
Homeownership
65.5%
Avg Commute
28 min
Poverty Rate
7.6%
Median Age
48.7
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Allen (Decima M.) Elementary San Bruno, CA | 5.5 |
| Alverno Heights Academy Sierra Madre, CA | 5.5 |
| Apple Blossom Sebastopol, CA | 5.5 |
| Arts In Action Community Charter Los Angeles, CA | 5.5 |
| Beachy Avenue Elementary Arleta, CA | 5.5 |
| Beryl Heights Elementary Redondo Beach, CA | 5.5 |
Frequently Asked Questions
Common questions about Mark Day School
What grades does Mark Day School serve?
Mark Day School serves students in grades Kindergarten through 8th.
How many students attend Mark Day School?
Mark Day School has an enrollment of approximately 383 students.
What is the student-teacher ratio at Mark Day School?
The student-teacher ratio at Mark Day School is 9.6:1. A lower ratio generally means more individual attention per student. The national average is approximately 11:1 for private schools.
How does Mark Day School rank in CA?
Mark Day School is ranked #737 out of 3,177 private schools in CA.
What is Mark Day School's MySchoolScout rating?
Mark Day School has a composite rating of 5.5 out of 10 on MySchoolScout. This score combines academic performance, student growth, equity, and school environment into a single score.
Is Mark Day School a private school?
Yes, Mark Day School is a private coeducational school. Private schools are not required to participate in state standardized testing, so academic performance data may be limited compared to public schools.
Explore More Schools
Quick Facts NCES PSS (SY 2024-25)
- Grades
- Kindergarten – 8th
- Enrollment
- 383
- Student-Teacher Ratio
- 9.6:1
- Teachers (FTE)
- 40
- Type
- private
- Coed Status
- coed
- County
- Marin
- Phone
- (415) 472-8000
- Data Year
- 2025–2026
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How We Rate Schools
Our ratings combine academic performance, growth, equity, and school environment into a single 1-10 score using publicly available data.
Read our methodology