Mark Day School

39 Trellis Drive, San Rafael 94903

www.markdayschool.org

(415) 472-8000

Mark Day School is an independent K-8 school in San Rafael. About 371 students were enrolled in 2025-26, per the state private school affidavit.

Sector
Private
Grades
K-8
Enrollment
371 students (2025-26 affidavit)
Source
CDE Private School Affidavit 2025-26 (enrollment); school website (founded, approach)