This school was founded in 1850 by Frederick W. Gunn. It offers co-ed programs for grade 9-12 and PG. The school is non-denominational.
Yearly tuition for a boarding student at the Gunnery is $51,200 and $38,500 for day students, financial aid is available. The educational program of this school focuses on liberal arts.
It is in the New England Preparatory School Athletic Council athletic conference.
The Gunnery is accredited by The Association of Boarding Schools, National Association of Independent Schools, and the Connecticut Association of Independent Schools.