About

Who We Are

List of 5 items.

  • 1886

    Year Founded

  • 315

    Students

  • 9–12

    Grades Offered

  • 70/30%

    Day to Boarding Ratio

  • 12-15

    Average Class Size

Our Mission

The Cambridge School of Weston's mission is to provide a progressive education that emphasizes deep learning and meaningful relationships. Our dynamic program inspires students to discover who they are and to make purposeful contributions to their school, their communities, and the world.

Our Values

  • Progressive Education

    We believe students succeed in a dynamic, process-oriented learning environment that emphasizes problem-solving, navigating complexity, and considering multiple perspectives.

  • Student-centered teaching and learning

    We foster resilience, agency, and lifelong learning in our students by providing the ability to shape our curriculum, freedom to explore
    existing interests, and opportunities to cultivate new skills.

  • Empathy

    We help students consider how others experience the world, fostering curiosity and respect as tools to build understanding across differences.

  • Diversity

    We know that the extraordinary education we offer is possible only because of the varied ethnicities, races, socioeconomic classes, religions, family structures, sexual orientations, physical abilities, gender identities, learning styles, and other identities that make up our community.

  • Equity

    We strive to provide full access to the CSW experience through individualized support that ensures all students can achieve their full potential.

  • Belonging

    We commit to nurturing authentic relationships and upholding the dignity of each person because every community member should experience a feeling of agency and emotional well-being.

  • Global engagement

    We believe in the power of the CSW community to help create a more just and sustainable world.

  • Sustainability

    We manage our fiscal and natural resources prudently while cultivating individual and collective responsibility for our planet's future.
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Our History

Leading with Purpose since 1886

The Cambridge School of Weston has had a wonderful and rich history since our founding in 1886. The school began in Cambridge with close ties to Radcliffe College as The Cambridge School for Girls. In 1931, it moved to the former 25-acre Trapelo estate in Weston, Massachusetts — where it remains today — and from thenceforth became known as The Cambridge School of Weston. 

The school has since evolved into the leading high school for progressive education in the United States.
45 Georgian Road, Weston, MA 02493
Phone: (781) 642-8600
CSW—a gender-inclusive day and boarding school for grades 9-12—is a national leader in progressive education. We live out our values of inquiry-based learning, student agency, and embracing diverse perspectives in every aspect of our student experience. Young people come to CSW to learn how to learn and then put what they learn into action—essential skills they carry into their futures as doers, makers, innovators, leaders, and exceptional humans who do meaningful work in the world.