About
Since 1900
More than just a tagline or an aspiration, our mission is a living reflection of who we are and the values that inform our daily lives.
Admission
Why Choose GSB?
Our teachers will give you the encouragement, perspective, and support—not simply to tackle challenging coursework—but to take healthy risks and pursue new interests. Opportunities for learning and exploration abound here. Don’t be content to map out your future. Discover it.
Academics
A Place for Learning
A community of learners, Gill St. Bernard's values the individual contributions, perspectives and talents that each of our students and faculty members brings to campus each day.
Arts
The Arts at GSB
From performing to fine arts, explore the creativity on display at GSB.
Athletics
The Choice is Yours
In our Upper School, we offer more than 20 different opportunities for interscholastic athletics. Learn more about our divional offerings and athletics program across all three divisions.
Support
Support Our Mission
Thank you for your dedication to Gill St. Bernard's and for your support of our teachers and students.

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MyGSB
MyGSB
Read about all the latest happenings at Gill St. Bernard's School!

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Boston Alumni 2026