San Domenico School vs. Mark Day School
Should you attend San Domenico School or Mark Day School? Visitors to our site frequently compare these two schools. Compare their rankings, scores, reviews and more to help you determine which school is the best choice for you.
School Overview
School
Top Rankings
San Domenico School ranks among the top 20% of private schools in California for:
Category
Attribute
Student Body
AP Courses
Sports offered
Extracurriculars
School History
Mark Day School ranks among the top 20% of private schools in California for:
Category
Attribute
Student Body
Overview
Founded in 1850 as California`s first independent school, San Domenico enrolls boys and girls in grades K through 12 from around the San Francisco Bay Area and around the world, providing a character-driven college preparatory education on our 515-acre campus.
We offer day school, regional, and international boarding school options for our Upper School students at our campus in San Anselmo, California.
Innovative and full of heart, Mark Day School nurtures each child to pursue their curiosity, think critically, embrace challenge with courage and joy, and work in partnership with others to build more caring and inclusive communities.
Grades Offered
K-12
K-8
Blue Ribbon School
No
No
Offers Post-Graduate Year
No
n/a
Learning Difference Programs
Yes
n/a
Learning Programs Supported
Mild learning differences
n/a
Year Founded
1850
1980
Students Body
Total Students
672 students
370 students
Student Body Type
Co-ed
Co-ed
% Students of Color
5%
37%
Students by Grade
Students by Grade
Kindergarten Students
13
26
Grade 1 Students
19
24
Grade 2 Students
23
32
Grade 3 Students
20
34
Grade 4 Students
27
38
Grade 5 Students
37
45
Grade 6 Students
44
59
Grade 7 Students
46
57
Grade 8 Students
48
55
Grade 9 Students
96
-
Grade 10 Students
102
-
Grade 11 Students
103
-
Grade 12 Students
94
-
Academics and Faculty
Total Classroom Teachers
76 teachers
53 teachers
Average Class Size
12
18
Number of AP Classes
20
n/a
Student-Teacher Ratio
9:1
7:1
Average SAT score
1346
n/a
Classroom Dress Code
Casual
(Uniform in primary/middle, dress code in high school)
(Uniform in primary/middle, dress code in high school)
Casual
(Dress code but no uniform)
(Dress code but no uniform)
Finances and Admission
Admission Deadline
Jan. 9
Jan. 16 / rolling
Tuition Cost
$39,500
$45,871
Tuition Notes
Varies according to grade. Grades K-5 $46575, Grades 6-8 $50,850, Grades 9-12 Day Student $65,000, Grades 9-12 Boarding $81,000
For the 2025-2026 school year, Mark Day School tuition for Kindergarten through 8th grade ranges from $0-$45,871. Tuition does not include grade-specific fees, which are also indexed.
% on Financial Aid
34%
25%
Admissions Director
Jennifer Nash
Katie Kelso
Admissions Associate
Marcena Peterson
Dawn Aotani
Sports
Total Sports Offered
15
6
Extracurriculars
Total Extra-curric.Total Extracurriculars
30
5
Extra-curric.Extracurriculars
Club or Organization:
Arts and Music Programs:
AnimeAsian Student Association
Black Student AssociationBody Positive
Book ClubChess Club
Cooking ClubEconomics Club
Film ClubGardening Green Team
Guitar ClubHydroponics Club
Jew CrewJunior Statemen of America
Latino LeagueModel United Nations
Mountain BikingMulticultural Club
National Honor SocietyPanther Press Newspaper
Panther Spirit ClubPeer Resource
Queer Student UnionRobotics
Social Justice ClubSpeech Team
Student CouncilYearbook
Arts and Music Programs:
Jazz BandRock Band
ChessConcert Band
Rock BandSchool Play & School Musical
Club or Organization:
Tinkering