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Who We Are
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Who We Are

Commonwealth is an independent, coed day school for grades 9 through 12. We are:

  • A small school, enrolling about 145 students in four grades.
  • Academically rigorous, catering to bright, curious students who enjoy intellectual adventures, in classes often taught at a college level.
  • Located in Boston's Back Bay, two blocks from Copley Square.
  • Diverse, with students of color representing roughly a third of the enrollment.
  • Supportive, with dedicated faculty who know their students well.
  • A community, with twice-yearly all-school weekends at a lakeside camp in Maine, where students and faculty plan and and enjoy activities together.
  • Successful, with nearly 75% of graduating seniors recognized as National Merit Finalists, Semifinalists, or Commended Students, and some 35% recognized by the AP Scholars program.

By taking advantage of the School's academic excellence in the humanities, science and mathematics, strong programs in the visual and performing arts, and the city's wealth of opportunities for internships and service, Commonwealth students find themselves positioned to lead lives that will make a difference in the world.



"Eileen," the debut novel by Ottessa Moshfegh '98 is among 13 on the longlist for the 2016 Mann Booker Prize for Fiction.
In June, 28 Commonwealth students and Spanish teacher Monica Schilder travelled to Cusco, Puno, and Lima, Peru. The highlights of the trip were the breathtaking citadel of Machu Picchu and Lake Titicaca, the highest lake in the world.
Congratulations to our graduating class of 2016! Ceremonies were held on Friday, June 10th at First Church Boston.
Our student-run community service group, Commonwealth Cares, hosted Commonwealth's first blood drive on May 24, 2016. The drive was a success with 21 donors (18 of which were first-time blood donors!), 14 units of blood collected, and at least 28 patients who benefited from the drive. Commonwealth Cares hopes to hold a drive again next year.

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