Average
#696 of 1,787 private schools in CA
Top 39% of private schools
Mark Day School
Elementary School · San Rafael, CA
A private elementary school in San Rafael, CA serving grades Kindergarten – 8th.
39 TRELLIS DR, San Rafael, CA 94903
- 9.6:1 student-teacher ratio
Academics
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 not available
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
Most recent published year. School vs. CA average.
Test score data not yet available for this school.
How we rate schools
A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.
See how we rateThe neighborhood
Where Mark Day School sits, and what the surrounding area looks like.
Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries. Open the San Francisco Bay Area map →
Getting around & local context
- Walk 44Car-Dependent
- Transit 36Some Transit
- Bike 51Bikeable
- City Safety: High3,042/100K
Powered by
FBI Uniform Crime Reporting · 2024 · city context (San Rafael), not school-level safety or attendance eligibility. Source details
Source period: 2024. Freshness not available.
Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)
Median income
$127,464
Median home value
$1,149,400
Median rent
$3,026/mo
College educated
55.1%
Homeownership
65.5%
Poverty rate
7.6%
ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 94903; this is area context, not an attendance boundary.
Programs & students
Student demographicsNCES Private School Universe Survey (PSS) (SY 2021–22)
Source: NCES Private School Universe Survey (PSS)
Compare nearby
Nearby same-level schools
4 from a 5-mile search
| School | Score | Grades | Distance | Enrollment | Compare |
|---|---|---|---|---|---|
| Mark Day SchoolPrivate · tuition | Not rated | K–8 | 0.0 mi | 383 | Compare → |
| Saint Isabella SchoolPrivate · tuition | Not rated | K–8 | 0.2 mi | 246 | Compare → |
| Vallecito ElementaryEnrollment path unverified | 7.4 | K–5 | 0.2 mi | 412 | Compare → |
| Marin County Special EducationEnrollment path unverified | 4.1 | K–12 | 0.5 mi | 225 | Compare → |
Distance is proximity only; it is not attendance eligibility.
Private · tuition: Potential private option; tuition and admission requirements have not been verified.
Enrollment path unverified: Potential public school; its attendance or application path has not been classified.
Mark Day School is listed in San Rafael, CA; verify the current enrollment path directly.
About Mark Day School
Mark Day School is a private elementary school in San Rafael, CA, serving approximately 392 students in grades Kindergarten-8th with a 9.6:1 student-teacher ratio. It holds a MySchoolScout rating of 6.6 out of 10 and ranks #696 of 1,787 private schools in 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 392 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 ranks #696 of 1,787 private schools in CA.
What is Mark Day School's MySchoolScout rating?
Mark Day School has a current MySchoolScout rating of 6.6 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
Is Mark Day School a private school?
Yes, Mark Day 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 Mark Day School a religious school?
No, Mark Day School is a nonsectarian (non-religious) private school.
School factsNCES Private School Universe Survey (PSS) (SY 2021–22)
- Grades
- Kindergarten – 8th
- Enrollment
- 392
- Gender Split
- 50% M / 50% F
- Student-Teacher Ratio
- 9.6:1
- Teachers (FTE)
- 41
- Type
- private
- Coed Status
- coed
- Affiliation
- Nonsectarian
- School Day
- 7 hours
- Days Per Year
- 166 days
- Setting
- Small City
- County
- Marin County
- Phone
- (415) 472-8000
- Area population (ZIP 94903)
- 31,135
- Area average commute
- 28 min
- Area median age
- 48.7
About this school's data
Every number on this page comes from a published source with a stated period. Where a source is partial, aging, or describes a surrounding area rather than the school, that limitation is named below.
- School directory (enrollment, grades, staff, contact)
- NCES Private School Universe Survey (PSS) · SY 2021–22 · Low confidence
- Vintage not available. Do not use this measure alone.
- MySchoolScout rating and rank
- MySchoolScout ranking model · Low confidence
- Vintage not available. Do not use this measure alone.
- Available for part of the eligible units; results may not represent the full area.
- Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
- 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 94903; this does not measure the attendance area.
Evidence periods: Rating mixed/unknown input periods; assessments vintage unavailable; directory SY 2021–22
Related reading
- Best Elementary Schools in America: 2026 Rankingsbest schools
- Best Public Schools in California 2026: Top-Ranked Elementary, Middle & High Schoolsbest schools
- Best School Districts to Move To in 2026: A Data-Driven Guidebest schools
- Best Schools in Los Angeles, CA — 2026 Rankingsbest schools
- Best Schools in San Diego, CA — 2026 Rankingsbest schools
Get school insights in your inbox
New rankings, best-schools lists, and parent guides — delivered free. No spam, unsubscribe anytime.
We respect your privacy. Unsubscribe at any time.