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Fast Facts


Pre-Kindergarten through Class 12


• 2017-18 Projected Enrollment: 830
• Students come from more than 65 communities in eastern Massachusetts.

Faculty and Staff

• Total teaching faculty: 104
• Student/Teacher Ratio: 7:1


Dexter School opened in 1926; Southfield School was established in 1992. The schools merged in 2013.


Campus & Facilities

Our 36-acre campus is located on the Brookline-Boston line. We are just miles from Boston's best museums, libraries, hospitals, colleges, and universities – all of which serve as an extension of our classrooms.

The Clay Center for Science and Technology is a state-of-the-art astronomical observatory and learning center located on campus. In addition to the observatory's seven research-grade telescopes, this five-story building contains sophisticated computer and science labs, a multimedia lecture hall, classrooms, campus dining, meeting spaces, and a solar roof deck. Students in all grade divisons take advantage of this resource.

Multiple athletic facilities include: an indoor swimming pool, ice rink, indoor tennis courts, basketball and volleyball courts, baseball and softball fields, and three turf fields; two outdoor and one indoor. The School also has a Rowing Center, located on the Charles River just four miles away in Dedham.

The Playscape, located in the woods behind the Arts Center courtyard, was designed to promote imaginative and creative play, to help connect students to nature, and to integrate play with the science curriculum. It combines landscape elements, forts, sand boxes, climbing structures, waterscapes, gardens, music, art and natural materials.



Transportation to and from the School is provided by our fleet of faculty-driven school buses from central locations throughout Greater Boston, Metro-West, and the South Shore. The bus is a hallmark of the Dexter Southfield experience; students and parents get to know their bus stop "family," and feel comfort when the driver pulls up each morning with a smile and friendly "hello."


  • Student/Teacher Ratio: 7:1
  • Regular, Honors, and Advanced Placement sections are offered in all major disciplines.
  • Science, Technology, Engineering, and Math (STEM) curriculum begins in the lower grades (as early as PK). There are several STEM elective courses offered in the upper school.
  • The School uses an Advisor System in the middle and upper schools. Each student is assigned an advisor who checks in with them on a weekly basis.
  • In 2014-15, 76 students sat for 13 Advanced Placement (AP) exams; 16 students were named AP Scholars
  • Class 12 students have the opportunity to work off-campus each spring on Senior Projects. 


  • During Summer 2013, the Newton Street campus building was re-dedicated solely for the arts, providing student-artists with centralized art instruction, resources and classroom/studio space.
  • There are 20 fine and performing arts courses offered in the upper school, including drawing, painting, woodworking, digital photography, sculpture, music theory, advanced acting, among others.
  • There are two a capella groups, two instrumental ensembles, two choirs, two glee clubs, an orchestra, jazz band, and student-led Jam Club.
  • There are several theatrical productions each year, including a Class 6 play, a middle school play, an upper school musical and an upper school winter play. Students can work with the stage crew or audition for roles.
  • There is an upper school Dance Team and opportunities for student choreographers in productions.
  • In 2014-15, the School partnered with the Museum of Fine Arts Boston to provide upper school students the opportunity to be trained as docents.


  • 46 interscholastic teams; 14 team sports
  • In 2014-15, five teams qualified for the New England Preparatory School Athletic Council (NEPSAC) Tournaments. Girls varsity soccer reached the NEPSAC finals; Girls varsity basketball reached the NEPSAC semi-finals; Girls ice hockey reached the NEPSAC finals; Boys hockey made it to the Elite 8 in the NEPSAC finals; and for the first time in the program's history, boys basketball reached post-tournament play.
  • All students in grades Pre-K - Class 2 take several physical education classes each week.
  • Students in Classes 3 through 6 participate in nine different intramural sports: soccer, flag football/field hockey, track and field, ice hockey, basketball, swimming, baseball/softball, tennis, and lacrosse.
  • 25 middle school teams compete.

Student Life

  • Public Speaking plays a significant role for Dexter Southfield students from the time they arrive in Kindergarten through Class 12.
  • There are more than 25 student clubs and organizations in the upper school
  • The View is the student-run newspaper; The Drumlin is the student-run literary arts magazine.
  • The College Counseling Office works with students and families in Classes 11 & 12.
  • The college acceptance list shows impressive results, including Bates, Boston College, Bowdoin, UCLA, Colgate, Davidson, Duke, George Washington, Georgetown, Harvard, John Hopkins, McGill, U. Michigan, Middlebury, MIT, Ohio Wesleyan, Princeton, U. of St. Andrews, Syracuse, Stanford, Union, and U. Chicago. Visit the College Counseling webpage for a full five-year list.

2017-18 Tuition

Pre-Kindergarten* $27,285
Kindergarten  $32,100
Classes 1-3 $35,810
Class 4 $37,875
Class 5 $38,760
Classes 6-8 $45,475
Classes 9-12 $48,350

 *Pre-K is a half-day program with an extended day option until 3:30 p.m. or 5:30 p.m. (additional fee.)

Contact Us

Phone: 617-522-5544 • Absence Reporting Line: 617-751-3400 • Admissions: 617-751-3600


20 Newton Street Brookline, Massachusetts 02445 Directions