Commonwealth School

Commonwealth School Photo #1 - Recognized as the region's best private school by Boston Magazine, Commonwealth School is based in a pair of Back Bay townhouses that were built as private homes. The feeling of family persists in the school's unique sense of community.
Commonwealth School's mission is to educate young people from diverse backgrounds to become knowledgeable, thoughtful, and creative adults, capable of careful analysis, fruitful cooperation, and deep commitment.

School Overview

School Membership(s)School Assoc.National Association of Independent Schools (NAIS)
Association of Independent Schools in New England (AISNE)
Religious AffiliationNonsectarian
Grades OfferedGrades 9-12
Year Founded1957
Summer School OfferedYes
Summer Program DetailsLink to Summer Program Details

Student Body

Total Students140 students
Student Body TypeCo-ed
% Students of Color
State avg.: 23%

Academics and Faculty

Total Classroom Teachers34 teachers
Student : Teacher Ratio4:1
National avg.: 13:1
% Faculty w/Advanced Degree
Average Class Size12 students
Number of AP Courses16 courses
Advanced CoursesAb, Biology, Calculus, Calculus BC, Chemistry, Computer Programing, Economics, English, French, Introduction to Organic Chemistry (Chem 3), Latin, Modern European History, Music theory, Physics, Software Engineering, Spanish, Theoretical Calcul, US History
Classroom Dress CodeCasual

Finances and Admission

Admission DeadlineJan. 15
Yearly Tuition Cost$45,848
Tuition NotesAdditional fees of $1,971
% on Financial Aid
Average Financial Aid Grant$29,443
Admissions DirectorCarrie Healy


Total Sports Offered8 sports
SportsBasketball, Cross Country, Dance, Fencing, Sailing, Soccer, Squash, Ultimate FrisbeeBasketballCross Country,
SquashUltimate Frisbee,


Total ExtracurricularsTotal Extra-curric.15 extracurriculars
ExtracurricularsExtra-curric.Club or Organization:
Chess Team, Commonwealth Cares (community service), Debate team, Diversity Committee, Dungeons and Dragons Club, Environmental Club, Literary Magazine, Model UN, Robotics Club, Science Team, Yearbook

Arts and Music Programs:
Jazz Ensemble, Orchestra

Recreational Athletic Programs:
Fitness, Yoga

School Notes

  • Commonwealth's mission is to educate young people from diverse backgrounds to become knowledgeable, thoughtful, and creative adults, capable of careful analysis, fruitful cooperation, and deep commitment. Commonwealth aims to be a school with the highest standards of academic excellence; where students learn to think for themselves and to exercise responsibility and initiative in their actions; with a community of talented teachers and promising students from diverse backgrounds; that takes maximum advantage of its rich urban setting; where arts are a vital element of daily life; that provides the friendly atmosphere of a small, supportive community; and that helps students establish the foundation for rewarding and productive lives.
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  • School Location Miles Grades Students
  • Boston
    Grades: 7-12 | 225 students
    0.2 miles
    247 Marlborough Street
    Boston, MA 02116
    (617) 267-4530
    0.2 7-12
  • Boston
    Boston University Academy
    Boston University Academy Photo - Boston University Academy provides a "ceilingless" educational experience, one in which students' zeal for learning takes them as far as they are capable.
    Special Program Emphasis
    Grades: 9-12 | 193 students
    1.6 miles
    One University Road
    Boston, MA 02215
    (617) 353-9000
    1.6 9-12
  • Milton
    Grades: K-12 | 1020 students
    6.6 miles
    170 Centre Street
    Milton, MA 02186
    (617) 898-1798
    6.6 K-12
  • Cambridge
    Grades: PK-12 | 1015 students
    3.2 miles
    80 Gerry's Landing Rd
    Cambridge, MA 02138
    (617) 547-6100
    3.2 PK-12
  • Chestnut Hill
    Grades: 6-12 | 490 students
    4.8 miles
    791 Hammond St
    Chestnut Hill, MA 02467
    (617) 738-2700
    4.8 6-12

School Reviews

Commonwealth students receive a distinguished education in a small community, which allows faculty and students to know each other and work closely together. It is akin to an idea lab bringing bright people together from different areas. The kids work hard and graduate, having had the equivalent of colleges` freshman/sophomore education. The campus is not extensive compared to suburban schools, but that does not prevent the school from offering sports, performing arts and other electives. Most students commute, which develops independence and urban savvy, and the school does a good job of introducing students to some cultural and geographical history of the city of Boston. Parents are also engaged through social events and volunteer opportunities. It is a special place.
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The average private school tuition in Boston, MA is $33,727 for high schools (read more about average private school tuition across the country).