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, San Domenico School is California's longest-standing independent school, proudly inspiring generations of students to achieve excellence with purpose.
Serving K-12 day and high school boarding students, SD blends rigorous academics with a strong foundation in our values: Study, Reflection, Community, and Service.
Our seamless K-12 journey fosters belonging, mentorship, and leadership, while our internationally diverse community prepares graduates to thrive in a global society. Nestled on a breathtaking 515-acre campus, students explore state-of-the-art classrooms, vibrant arts and athletics programs, and endless opportunities to try something new.
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
680 students
370 students
Student Body Type
Co-ed
Co-ed
% Students of Color
-
37%
Students by Grade
Students by Grade
Kindergarten Students
18
26
Grade 1 Students
16
24
Grade 2 Students
20
32
Grade 3 Students
35
34
Grade 4 Students
28
38
Grade 5 Students
33
45
Grade 6 Students
46
59
Grade 7 Students
46
57
Grade 8 Students
47
55
Grade 9 Students
91
-
Grade 10 Students
100
-
Grade 11 Students
100
-
Grade 12 Students
100
-
Academics and Faculty
Total Classroom Teachers
78 teachers
53 teachers
% Faculty with Advance Degree
79%
n/a
Average Class Size
18
18
Number of AP Classes
25
n/a
Student-Teacher Ratio
9:1
7:1
Classroom Dress Code
Casual
Casual
(Dress code but no uniform)
(Dress code but no uniform)
Finances and Admission
Admission Deadline
Jan. 8 / Jan. 16 / rolling
Jan. 16 / rolling
Tuition Cost
n/a
$45,871
Tuition Notes
n/a
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
K-8 Amy Strousse / 9-12 Amy Saavedra
Katie Kelso
Admissions Associate
Marcena Peterson
Dawn Aotani
Sports
Total Sports Offered
16
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