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Welcome to SD

Exceptional Education with a Sense of Purpose

Founded in 1850, San Domenico has the longest heritage of any independent school in California.

The Only K-12 Day and Boarding in Marin County

A comprehensive K-12 education provides academic and social-emotional continuity that is unparalleled in most school settings.

Friends from Around the World

25% International Students from 22 Countries | 75% Day Students

A Retreat for the Mind, Body, and Soul

Just a 30-minute drive from San Francisco, our 515-acre campus includes a state-of-the-art swim complex, performing arts center, hiking and mountain bike trails, and more.

Learning from the Best

SD teachers are leaders in their fields, with 75% of K-12 faculty holding advanced degrees.

Set Up for Success in College

With access to more than 20 AP and Honors courses, our students excel with purpose.

SD Athletics: Panther Pride

More than 50% of Upper School students participate in 19 Varsity sports and club teams, including mountain biking, sailing, and water polo.

Cecily StockWelcome from Head of School

On behalf of our entire San Domenico community, I invite you to discover the many ways in which SD is distinctive among independent schools in the Bay Area. Founded in 1850, San Domenico holds the unique distinction of being certified as California's oldest independent school.

Anchored by our heritage and four core values of study, reflection, community, and service, we encourage our students at SD to not just study, but also to reflect on their learning, find their purpose, and celebrate in community. An exceptional education—where values and academics join together—creates more than just great students. It develops great people. We call this The SD Difference.

Our expansive 515-acre campus serves a truly global student community. As Marin County’s only K-12 school—with boarding and day options in the high school—our unique program attracts students from throughout the San Francisco Bay Area and beyond, with more than 20 countries represented among our student body.

SD's faculty members are leaders in best practice teaching and experts in social/emotional learning, and we could not be more proud of what they offer our students. Even during a pandemic, classes at SD have remained purpose driven and student centered, allowing every student to develop one’s own creativity, critical thinking skills, and a love of learning.

I invite you to read our Portrait of a Graduate to learn more about the great people we develop here at SD. Our alumni have a deep sense of self and are truly global citizens, having studied with classmates and "big brothers and sisters" from around the world.

We hope you enjoy learning more about San Domenico and invite you to come visit our campus or take a virtual tour!

All the best,

Cecily Stock '77, M.A., J.D. 
Head of School

Learn more about our Head of School

Kindergarten and Twelfth grades working together on cow eye dissection

Why K-12?

Teachers, administrators, and students of all ages and backgrounds become the extended family, the proverbial village integral to raising healthy, happy, well-adjusted children.

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Signature Programs

LEAF Program Track (Leadership, Environmental, Advocacy Focus)

LEAF Program Track (Leadership, Environmental, Advocacy Focus)

LEAF courses provide students with a coherent understanding of the interconnectedness of economic, social and environmental issues and directly address these issues through the lenses of social justice and sustainability.

STEAM Program Track (Science Technology, Engineering, Art, and Math)

STEAM Program Track (Science Technology, Engineering, Art, and Math)

Multidisciplinary and project-based learning across departments, plus more than 10 AP’s and Honor Courses mean our STEAM opportunities allow students to take a deeper dive into science, technology, engineering, art, and math, while exploring their interplay and future impact.

Students of Philosophy Ethics and World Religions writing on the art wall

Philosophy, Ethics, and World Religions

SD’s Philosophy, Ethics, and World Religions department is a unique point of distinction that enriches Student Life and multidisciplinary, purpose-driven learning.



K-12, students at SD are engaged in service in our local communities and around the world. From the Eighth Grade Capstone Projects to the senior Real Opportunities in Service Learning (ROSE) Projects, service is an SD core value and an integral part of a San Domenico education.

Interested in learning more?