Welcome to the Oldest Established Private School on Long Island, NY

Founded in 1904, The Knox School is Long Island’s oldest established private school. Our inclusive environment serves grades 6-12 and Post-Graduate, providing students with a broad world perspective and a wide range of skills to prepare them for the next phase of their journeys. At Knox, everyone knows your name, and each student’s potential is unlocked and maximized because of the boundless experiences a Knox education provides. We are proud of our 100% acceptance to top four-year universities. Whether you are an aspiring engineer or equestrian, artist or architect, performer or physicist, a Knox education unlocks every student’s potential and prepares them for success after high school.
In addition to superior college-preparatory academics, Knox provides an integrative co-curricular campus experience. Students are supported as they explore interest-driven clubs, hands-on service learning, multidisciplinary opportunities in the Visual & Performing Arts, and a nationally competitive Athletics program. Knox’s encouraging community gives students the confidence to take risks and to strive for excellence.

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