Mark Day School vs. San Domenico School
Should you attend Mark Day School or San Domenico 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
Mark Day School ranks among the top 20% of private schools in California for:
Category
Attribute
Student Body
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
Overview
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.
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.
Grades Offered
K-8
K-12
Blue Ribbon School
No
No
Offers Post-Graduate Year
n/a
No
Learning Difference Programs
n/a
Yes
Learning Programs Supported
n/a
Mild learning differences
Year Founded
1980
1850
Students Body
Total Students
370 students
680 students
Student Body Type
Co-ed
Co-ed
% Students of Color
37%
-
Students by Grade
Students by Grade
Kindergarten Students
26
18
Grade 1 Students
24
16
Grade 2 Students
32
20
Grade 3 Students
34
35
Grade 4 Students
38
28
Grade 5 Students
45
33
Grade 6 Students
59
46
Grade 7 Students
57
46
Grade 8 Students
55
47
Grade 9 Students
-
91
Grade 10 Students
-
100
Grade 11 Students
-
100
Grade 12 Students
-
100
Academics and Faculty
Total Classroom Teachers
53 teachers
78 teachers
% Faculty with Advance Degree
n/a
79%
Average Class Size
18
18
Number of AP Classes
n/a
25
Student-Teacher Ratio
7:1
9:1
Classroom Dress Code
Casual
(Dress code but no uniform)
(Dress code but no uniform)
Casual
Finances and Admission
Admission Deadline
Jan. 16 / rolling
Jan. 8 / Jan. 16 / rolling
Tuition Cost
$45,871
n/a
Tuition Notes
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.
n/a
% on Financial Aid
25%
34%
Admissions Director
Katie Kelso
K-8 Amy Strousse / 9-12 Amy Saavedra
Admissions Associate
Dawn Aotani
Marcena Peterson
Sports
Total Sports Offered
6
16
Extracurriculars
Total Extra-curric.Total Extracurriculars
5
30
Extra-curric.Extracurriculars
ChessConcert Band
Rock BandSchool Play & School Musical
Club or Organization:
Tinkering
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
