Limited Profile
Not enough data to generate a rating
Mark Day School
Elementary School
39 Trellis Drive, San Rafael, CA 94903
Enrollment
383
Student-Teacher
9.6:1
Grades
Kindergarten – 8th
Enrollment
383
Student-Teacher
9.6:1
Grades
Kindergarten – 8th
Data vintage
2024-25
Data vintage2024-25
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Mark Day School
Elementary School in San Rafael · grades Kindergarten – 8th. Start here, then compare fit against nearby and district options.
Saint Isabella School
0.2 mi away. Use as a geographic alternative in the same move search.
Vallecito Elementary
0.2 mi away. Use as a geographic alternative in the same move search.
About Mark Day School
Mark Day School is a private elementary school in San Rafael, CA. Mark Day School serves approximately 383 students, and covers grades Kindergarten-8th, and has a 9.6:1 student-teacher ratio. MySchoolScout does not publish a rating for this profile because there is not enough verified data to rate it fairly.
Based on limited data: 0% component coverage.
What Parents Should Know
At 9.6:1 students to teachers, Mark Day School sits well below the national average. Smaller classes like that usually mean more one-on-one time between students and teachers.
Mark Day 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 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) | — |
| Vallecito Elementary | 7.4 |
| Marin's Community | 4.4 |
| Marin County Special Education | 4.1 |
| Sun Valley Elementary | 8.2 |
| Marin County Juvenile Court | — |
| Miller Creek Middle | 7.4 |
| Venetia Valley K-8 | 4.8 |
| Lucas Valley Elementary | 7.0 |
| Mary E. Silveira Elementary | 5.8 |
| Coleman Elementary | 5.2 |
| James B. Davidson Middle | 7.1 |
| Laurel Dell Elementary | 7.8 |
| San Pedro Elementary | 3.6 |
| Bahia Vista Elementary | 4.2 |
| Glenwood Elementary | 7.3 |
Demographics sourced from NCES Private School Survey (PSS) and Common Core of Data (CCD). Comparisons are based on enrollment-weighted averages.
School Profile
Limited Data- Grades
- Kindergarten – 8th
- Enrollment
- 383 students
- Type
- Private
- Student-Teacher Ratio
- 9.6:1
- Address
- 39 Trellis Drive, San Rafael, CA 94903
- Phone
- (415) 472-8000
- Data Year
- SY 2024-25
Why doesn't this school have a score?
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.
Test Scores
Test score data not yet available for this school.
Location
39 Trellis Drive, San Rafael, CA 94903
Nearby Alternatives
Families considering Mark Day School may also want to explore other elementary schools in the area. Hidden Valley Elementary (rated 9.1/10, 1.0 miles away, in nearby San Anselmo). Another option is Sun Valley Elementary (rated 8.2/10, 1.5 miles away). Additionally, Vallecito Elementary (rated 7.4/10, 0.2 miles away). For more schools in San Rafael, see our San Rafael schools guide .
Nearby Schools
20 within 1.7 mi| School | Distance | Rating |
|---|---|---|
| MARK DAY SCHOOL San Rafael | 0.0 mi | 6.6 |
| Saint Isabella School San Rafael | 0.2 mi | — |
| Vallecito Elementary San Rafael | 0.2 mi | 7.4 |
| Terra Linda High San Rafael | 0.5 mi | 7.7 |
| Montessori de Terra Linda San Rafael | 0.5 mi | — |
| Phoenix Academy San Rafael | 0.5 mi | — |
| Marin County Special Education San Rafael | 0.5 mi | 4.1 |
| Marin's Community San Rafael | 0.5 mi | 4.4 |
| BOOST of Cypress School San Rafael | 1.0 mi | — |
| ICE CREAM & SHOE PRESCHOOL & KINDERGARTEN INC. San Rafael | 1.0 mi | — |
| Fusion Academy Marin San Rafael | 1.1 mi | — |
| FUSION ACADEMY MARIN San Rafael | 1.1 mi | — |
| Hidden Valley Elementary San Anselmo | 1.0 mi | 9.1 |
| Marin Waldorf School San Rafael | 1.4 mi | — |
| STAR ACADEMY San Rafael | 1.2 mi | 7.1 |
| MARIN WALDORF SCHOOL San Rafael | 1.5 mi | 7.4 |
| Sun Valley Elementary San Rafael | 1.5 mi | 8.2 |
| Marin County Juvenile Court San Rafael | 1.6 mi | — |
| Miller Creek Middle San Rafael | 1.6 mi | 7.4 |
| Irene M. Hunt School / Side by Side San Anselmo | 1.7 mi | — |
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 |
|---|---|
| Abiding Savior Lutheran School Lake Forest, CA | — |
| Abraham Joshua Heschel Day School Northridge, CA | — |
| All Souls School Alhambra, CA | — |
| Almaden Country Day School San Jose, CA | — |
| Alverno Heights Academy Sierra Madre, CA | — |
| Assumption San Leandro, CA | — |
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.
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.
Neighborhood Context
Powered by 
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 County
- Phone
- (415) 472-8000
Resources & Links
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