San Domenico School (2026 Profile)

1500 Butterfield Road
San Anselmo, CA 94960

Tel: (415) 258-1990 Ext. 1130

www.sandomenico.org

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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

| 2025 School Data

San Domenico School

Boarding School Avg.

School Focus

College Preparatory

Grades Offered (Boarding)

9-12

Grades Offered (Day)

K-12

Pre-K-12

School Type

Co-ed

ADD/ADHD Support

Yes

Dual Language Immersion Program

Yes

Secondary Immersion Language

Spanish

n/a

Religious Affiliation

Non-denominational

Year Founded

1850

1909

Campus Size

515 acres

125 acres

School Calendar

View School Calendar

School Motto

Exceptional Education and a Sense of Purpose

Student Body

Enrollment

680 students

300 students

% Students of Color

40%

25%

% International Students

25%

20%

% Students Boarding

35%

70%

Average SAT Score

1246
(Out of 1600)

* National Avg. »View

Offers Post-Grad Year

Academic Profile

Saturday Classes

Classroom Dress Code

Casual

Average Class Size

18 students

* National Avg. »18

Student-Teacher Ratio

9:1

7:1

# of AP / Advanced Courses Offered

ESL Courses Offered

Yes

% Faculty with Advanced Degree

75%

70%

Summer Program Offered

Yes

# of AP / Advanced Courses Offered

Tuition & Financial Aid

Yearly Tuition
(Boarding Students)

$83,450

$59,900

Yearly Tuition
(Day Students)

$66,950

$33,500

% Students on Financial Aid

33%

40%

Admissions

Application Deadline

Jan. 9 / rolling

Jan. 15

Director of Admissions

Jennifer Nash

Associate Director of Admissions

Colleen Bertiglia

Application URL

Online Application

Sports

Colors

Blue and Gold

School Mascot

Panther

College Matriculation

View Matriculation Data

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.
Sample of notable school alumni/alumnae:
- Alexandra Simpson ’11 - alum, viola coach, and Interim Virtuoso Program Director -

Source: Verified school update

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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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