in Wallingford, Conn., private, coeducational college-preparatory school (grades 9–12 and a postgraduate year) for boarding and day students.

The Choate School, for boys only, was founded and endowed by Judge William Gardiner Choate in 1896. Many Choate graduates are admitted to Harvard (Harvard University), Yale (Yale University), Princeton (Princeton University), and other much-respected universities. U.S. President John F. Kennedy (Kennedy, John F.) was among Choate's many prominent alumni.

Rosemary Hall was founded in Wallingford as a girls' preparatory school in 1890. The school was moved to Greenwich, Conn., in 1900 but returned to Wallingford in 1971. Choate and Rosemary Hall were merged into a single coeducational institution in 1974.