San Domenico School

1500 Butterfield Road
San Anselmo, CA 94960
Tel: (415) 258-1990 Ext. 1130
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 Stats (2025)

  • 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

Top Rankings

San Domenico School ranks among the top 20 boarding schools (out of 278 schools) for:

Category
Attribute

School Overview

Definition of Terms | 2024 School Data
San Domenico School
Boarding School Avg.
School Focus
College Preparatory
College Preparatory
Grades Offered (Boarding)
9-12
9-12
Grades Offered (Day)
K-12
9-12
School Type
Co-ed
Co-ed
ADD/ADHD Support
Yes
Dual Language Immersion Program
Yes
Secondary Immersion Language
Spanish
n/a
Religious Affiliation
Non-denominational
Year Founded
1850
1907
Campus Size
515 acres
125 acres

Student Body

Enrollment
680 students
315 students
% Students of Color
40%
26%
% International Students
25%
20%
% Students Boarding
35%
70%
Average SAT Score
1246
(Out of 1600)
* National Avg. »View
Offers Post-Grad Year
No
No

Academics and Faculty

Saturday Classes
No
No
Classroom Dress Code
Casual
Average Class Size
18 students
12
* National Avg. »18
Student : Teacher Ratio
9:1
7:1
# of AP / Advanced Courses Offered
35
18
ESL Courses Offered
Yes
% Faculty with Advanced Degree
75%
72%
Summer Program Offered
No
Yes

Tuition Cost

Yearly Tuition
(Boarding Students)
$83,450
$66,200
Yearly Tuition
(Day Students)
$66,950
$35,600
% Students on Financial Aid
33%
40%
Merit Scholarships Offered
No
No

Acceptance Rate

Application Deadline
Jan. 9 / rolling
Jan. 15
Director of Admissions
Jennifer Nash
Associate Director of Admissions
Colleen Bertiglia

AP / Advanced Courses

# of AP / Advanced Courses Offered
35
18
Courses
Advanced Seminar in Spanish, Algebra 2 Honors, AP Art and Design, AP Biology, AP Calculus (AB), AP Calculus (BC), AP Chemistry, AP Chinese Language and Culture, AP Computer Science A, AP English Language and Composition, AP English Literature and Composition, AP Environmental Science, AP Macroeconomics, AP Microeconomics, AP Music Theory, AP Physics 1, AP Physics C, AP Psychology, AP Spanish Language and Culture, AP Statistics, AP US History, Biology Honors, Chemistry Honors, English 10 Honors, Geometry Honors, Honors Media Studies, Honors Programming for 3D Games & Environments, Multivariable Calculus, Precalculus Honors, Screenwriting Honors, Theatre Honors, Visual Arts Honors

Sports

Extracurriculars

Total Extracurricular Organizations
22
23
Extracurriculars
Club or Organization:
Asian Student Union, Black Student Union, Civic Leaders of America, DEI, Jewish Student Union, Junior Statesmen of America, Latinos and Friends, Math & Economics Team, Model United Nations, Panther Press, Queer Student Union, Robotics, Speech & Performance Team, Student Council, Yearbook

Arts and Music Programs:
Band Workshop, Sinfonia, Theatre Performance Workshop, Virtuoso Program, Visual Arts Evening Elective

Recreational Athletic Programs:
Flag Football, Sailing

College Matriculation

Year:
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
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.
What sports does San Domenico School offer?
San Domenico School offers 16 interscholastic sports: Baseball, Basketball, Cross Country, Cross Country Running, Dance, Golf, Mountain Biking, Sailing, Soccer, Softball, Swimming, Tennis, Track, Track and Field, Volleyball and Water Polo.
What is San Domenico School's ranking?
San Domenico School ranks among the top 20 boarding schools for High # of AP/advanced courses offered.
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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Quick Stats (2025)

  • 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

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