St. Mark's School Photo #4

St. Mark's School

St. Mark's School educates young people for lives of leadership and service.
Founded in 1865 as an intentionally small residential community, the School challenges its students to develop their particular analytic and creative capabilities by both inspiring their academic and spiritual curiosity and kindling their passion for discovery.
We value cooperation over self-interest, and we encourage all members of our community to explore their place in the larger world beyond our campus.

Quick Facts (2025-26)

  • Top Ranked MA School
  • Grades: 9-12
  • Enrollment: 383 students
  • Yearly Tuition: $79,140
  • Acceptance rate: 29%
  • Average class size: 11 students
  • Application Deadline: Jan. 15
  • Source: Verified school update

Top Rankings

St. Mark's School ranks among the top 20% of private schools in Massachusetts for:

Category
Attribute
Sports offered
School History
School Resources

School Overview

Religious Affiliation
Grades Offered
Grades 9-12
Year Founded
1865
Colors
White, Blue, Navy Blue
School Calendar
Last Day of School
Mon. May 25, 2026
Campus Size
210 acres

Student Body

Total Students
383 students
Student Body Type
Co-ed
% Students of Color
39%
State avg.: 30%
Students by Grade
St. Mark's School Student By Grade

Academics and Faculty

Total Classroom Teachers
81 teachers
Student-Teacher Ratio
5:1
National avg.: 13:1
% Faculty w/Advanced Degree
74%
Average Class Size
11 students
List of Courses Offered
Advanced Courses
Advanced AB CalculusAdvanced Art History
Advanced BC CalculusAdvanced Biology
Advanced CeramicsAdvanced Chemistry
Advanced Environmental ScienceAdvanced European History
Advanced French Language and CultureAdvanced German Language and Culture
Advanced Latin ReadingsAdvanced Music Theory
Average Percentile SSAT
93%
Matriculation DataMatric. Data
Classroom Dress Code
Casual
Classroom and chapel dress codes

Tuition and Acceptance Rate

Admission Deadline
Jan. 15
Yearly Tuition Cost
Tuition Notes
Day: $62,920
% on Financial Aid
34%
Average Financial Aid Grant
$55,805
Acceptance Rate
29%
National avg.: 81%
College Acceptance Rate
100%
Admissions Director
Anne E. Behnke
Admissions Associate
Elise Estes
Endowment Size
$150 million

Sports

Extracurriculars

Total ExtracurricularsTotal Extra-curric.
74 extracurriculars
ExtracurricularsExtra-curric.
Club or Organization:
Academic Peer TutorsAcolytes
Admission PrefectsAdmission Tour Guides
After-School Tutoring (Community Service)Alumni/ae Ambassadors Program
Amnesty InternationalAnimal Rights - PETA
Badminton ClubBlack Student Union
Brantwood Camp (Community Service)Chinese Students Association
Christian Students - God SquadClassics Club
Dance TeamDebate Club
Dining Hall PrefectsElectrical Vehicle Club
Fishing ClubFrench Club
Gender and Sexuality AllianceGerman Club
Green Team - EnvironmentalHonor Council
House (Dorm) PrefectsInternational Club
Investment ClubJewish Students - Jew Crew
Korean Student AssociationLa Voz Latina
Language ClubsLutheran Social Services Programs (Community Service)
Marlborough Boys & Girls Club (Community Service)Math Institute
Micro-Lending Program (Community Service)Model UN
Modern Greek ClubMotion Picture Club
Muslim ClubOrientation Team
Orphanage Outreach (Community Service)Our Father's Table (Community Service)
Outdoor Adventure ClubPeer Counselors
Peer Discussion LeadersPing Pong Club
Pizza & PoliticsReligious & Cultural Clubs
Robotics (FIRST Team 3566)Say What! (improv group)
SHADESSki & Snowboard Club
Spanish ClubSt. Mark's Society (Community Service)
Step ClubStudent Activities Committee
Student Disciplinary CommitteeStudent Government
Technology PrefectsThe LEO - Academic Journal
The Lion - YearbookThe St. Marker - Newspaper
The Vindex - MagazineUltimate Frisbee Club
WSMR (Students' Radio Station)Yoga & Meditation Club
Young Democrat ClubYoung Republican Club


Arts and Music Programs:
Actors GuildChamber Players
ChoirJazz Band
Marksmen and Royal Blues (male and female a cappella groups)Photography Club

School Notes

  • School Motto: Intentionally Small, Thinking Big
  • School Mascot: Lion
  • Founded in 1865, St. Mark's School educates young people for lives of leadership and service, challenging students to take charge of their education, inspiring their academic and spiritual curiosity, and kindling their passion for discovery.
  • We have crafted an intentionally small community with the specific goal of encouraging close relationships between faculty and students that gives our students courage to stretch, to dream big, and think beyond themselves.Innovation and tradition are part of our educational DNA.
  • The "school under one roof" design of our main building, an outstanding academic program that combines traditional classroom techniques with experiential learning, a culture that stresses social justice and global perspective, and an athletic program designed to challenge both college-bound athletes and those seeking fitness alone, all come together to create a robust environment unique to St. Mark`s. Graduates leave St. Mark`s ready to live lives of consequence in the 21st century.
  • Sample of notable school alumni/alumnae:
    • Ben Bradlee - Former editor, The Washington Post
    • Tarah Donoghue - Former Deputy Press Secretary to Laura Bush, First Lady of the United States from May 2006 to August 2007; worked for former Vice President Dick Cheney
    • Thomas Kean - Former New Jersey governor; former chairman of the 9/11 Commission; former president of Drew University
    • Julie Kennedy - Founder and leader of AMERICA SCORES; President of the Mycelium Group
    • Suzanne P. King - US Olympic cross country skier, 1994 and 1998 Olympic games
    • Robert Lowell - Former sixth Poet Laureate Consultant in Poetry to the Library of Congress; Pulitzer Prize recipient; National Book Award recipient; National Book Critics Circle Award recipient
    • Ashley Merriman - Premier Chef at Branzino in Seattle, WA; former contestant on Top Chef Season 6
    • Storey Musgrave - Astronaut
    • Georgia Chaffee Nassikas - Artist
    • Scott Young - Retired American professional ice hockey right winger; First round draft pick, 11th overall in 1986 by Hartford Whalers; played on the U.S. National Team; played on three Winter Olympic teams 1988, 1992, and 2002; won 2 Stanley Cups in 1991 and 1996
Source: Verified school update

Frequently Asked Questions

How much does St. Mark's School cost?
St. Mark's School's tuition is approximately $79,140 for private students.
What is the acceptance rate of St. Mark's School?
The acceptance rate of St. Mark's School is 29%, which is lower than the national average of 71%. St. Mark's School's acceptance rate is ranked among the top private schools in Massachusetts with low acceptance rates.
Who are famous alumni from St. Mark's School?
St. Mark's School famous alumni include: Ben Bradlee, Tarah Donoghue, Thomas Kean, Julie Kennedy, Suzanne P. King, Robert Lowell, Ashley Merriman, Storey Musgrave, Georgia Chaffee Nassikas and Scott Young.
What sports does St. Mark's School offer?
St. Mark's School offers 15 interscholastic sports: Baseball, Basketball, Crew, Cross Country, Field Hockey, Football, Golf, Ice Hockey, Lacrosse, Soccer, Softball, Squash, Tennis, Volleyball and Wrestling. St. Mark's School is ranked as one of the top 20% of private schools in Massachusetts for most sports offered.
What is St. Mark's School's ranking?
St. Mark's School ranks among the top 20% of private schools in Massachusetts for: Lowest average acceptance rates, Largest student body, Most sports offered, Most extracurriculars offered, Oldest founding date and Largest endowments.
When is the application deadline for St. Mark's School?
The application deadline for St. Mark's School is Jan. 15.

School Reviews

  5.00 out of 5  (2 reviews)
5  
When I attended, St. Mark's employed the best English teachers anywhere. We learned the art of writing. Ben Bradlee, who edited the Washington Post for decades, attended St. Mark's. All their lives, students remember the athletic program. When one attends school with someone, one remembers those classmates as long as one lives.
- Posted by
5  
St. Mark's does many things well: The school fosters and encourages an environment where diversity is embraced, students have voice and recognition, and relationships are strong. The generally positive atmosphere represents the student body, which is full of many different types of people. The many opportunities to pursue academic interests both inside and outside the school makes SM a great prep school. Lastly, the athletic teams value perseverance and hard work over winning, and the coaches are very skilled.
- Posted by

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Quick Facts (2025-26)

  • Top Ranked MA School
  • Grades: 9-12
  • Enrollment: 383 students
  • Yearly Tuition: $79,140
  • Acceptance rate: 29%
  • Average class size: 11 students
  • Application Deadline: Jan. 15
  • Source: Verified school update

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Did You Know?

The average private school tuition in Worcester County, MA is $20,499 for elementary schools and $42,567 for high schools (read more about average private school tuition across the country).
The average acceptance rate in Worcester County, MA is 84% (read more about average acceptance rates across the country).

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