Salisbury School is an elite all-boys, private college-preparatory boarding school in Salisbury, Connecticut.

It was founded in 1901 by the Reverend George E. Quaile, former headmaster of St. Austin's Military School in Staten Island, New York.

Its school newspaper is The Cupola.

Its mascot is the Crimson Knight.

In 2015, Business Insider ranked it the most expensive private high school in the United States.