As California's first independent school and Marin County's only K-12 school, we are proud to offer both day and boarding options for students from the San Francisco Bay Area, across the country, and around the world.
The confluence of SD's diverse community of students, our bucolic 515-acre campus, and our rich heritage of exceptional, purpose-driven education creates an unparalleled environment for students to develop as scholars and changemakers.
Quick Facts (2026)
- Grades: (Boarding Students) 9-12
- Grades: (Day Students) K-12
- Enrollment: 680 students
- Yearly Tuition (Boarding Students): $83,450
- Yearly Tuition (Day Students): $66,950
- Average class size: 18 students
- Application Deadline: Jan. 9 / rolling
- Source: Verified school update
School Overview
School Focus
College Preparatory
College Preparatory
Grades Offered (Boarding)
9-12
9-12
Grades Offered (Day)
K-12
Pre-K-12
School Type
Co-ed
Co-ed
Secondary Immersion Language
Spanish
n/a
Year Founded
1850
1909
Campus Size
515 acres
125 acres
Colors
Blue, Green
Student Body
Enrollment
680 students
300 students
% Students of Color
40%
25%
% International Students
25%
20%
% Students Boarding
35%
70%
Offers Post-Grad Year
No
No
Academics and Faculty
Saturday Classes
No
No
Student-Teacher Ratio
9:1
7:1
# of AP / Advanced Courses Offered
35
17
% Faculty with Advanced Degree
75%
70%
Summer Program Offered
No
Yes
Tuition Cost
Yearly Tuition
(Boarding Students)
(Boarding Students)
$83,450
$59,900
Yearly Tuition
(Day Students)
(Day Students)
$66,950
$33,500
% Students on Financial Aid
33%
40%
Merit Scholarships Offered
No
No
Admissions
Application Deadline
Jan. 9 / rolling
Jan. 15
Director of Admissions
Jennifer Nash
Associate Director of Admissions
Colleen Bertiglia
Application URL
College Matriculation
10 Most Popular College Choices (# Enrolled)
School Notes
- San Domenico is an independent, K-12 day and boarding preparatory school with a tradition of innovation and academic excellence since 1850. Our mission is to provide exceptional education rooted in inquiry, reflection, and purpose. As a global community of lifelong learners, San Domenico inspires students to joyfully discover their passions, develop the skills and knowledge to lead with courage, wisdom, and kindness, and make a positive impact in the world.
- San Domenico School accreditations: CAIS, WASC, NAIS
- Sample of notable school alumni/alumnae:
- Alexandra Simpson ’11 - alum, viola coach, and Interim Virtuoso Program Director -
- School Motto: Exceptional Education and a Sense of Purpose
- School Mascot: Panthers
Source: Verified school update
Frequently Asked Questions
How much does San Domenico School cost?
San Domenico School's tuition is approximately $83,450 for boarding students and $66,950 for day students.
Who are famous alumni from San Domenico School?
San Domenico School famous alumni include: Alexandra Simpson ’11 - alum, viola coach, and Interim Virtuoso Program Director.
When is the application deadline for San Domenico School?
The application deadline for San Domenico School is Jan. 9 / rolling (applications are due on Jan. 9 but additional applications are reviewed year-round as space permits ).
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