Mark Day School
Independent school · Grades K–8
San Rafael, CA
39 Trellis Dr, San Rafael, CA 94903
Overall grade: B+
ChooseAPrivateSchool.com grade, from official facts compared with similar schools.
- BClass size
- A-Years serving families
- ADiversity
What stands out
- Serving families in San Rafael since at least 2011
Mark Day School is an independent private school in San Rafael, California, for students from kindergarten through 8th grade. It has about 386 students and around 10 students per teacher. Its enrollment has held steady since 2011–12. Students attend about 7 hours a day, 166 days a year.
At a glance
- Grades
- Grades K–8
- Students
- 386
- Teachers
- 39 (full-time equivalent)
- Students per teacher
- 9.9
- Boys and girls
- Coed · 189 girls, 197 boys
- Religious affiliation
- None (nonsectarian)
- School day
- About 7 hours
- School year
- 166 days
- Library
- Yes
Reviews
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How it compares
- Larger than 91% of independent elementary schools in California.
- Compared with 280 independent elementary schools in California.
Students by survey year
Total students reported in official records since 2011–12.
Students by grade
Student body
Member of
- National Association of Independent Schools
- A state or regional independent school association
Questions to ask on a tour
- What is tuition, and what does it include (books, fees, uniforms, trips)?
- Do you offer financial aid, sibling discounts or payment plans?
- Do you accept ESA, voucher or tax-credit scholarship funds?
- How big are classes in my child's grade?
- What support is there for students who need extra help or more challenge?
- Is the school accredited, and by whom?
- What do a typical day and a typical week look like?
- How does the school communicate with families?
Questions about Mark Day School
What grades does Mark Day School serve?
Mark Day School serves grades K–8.
How many students attend Mark Day School?
About 386 students, with 10 students per teacher, according to official records.
How much is tuition at Mark Day School?
Call the school to ask about tuition, financial aid and payment plans.
Official record · Updated October 2026 · Official search · Something wrong? Tell us
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