|99 Green Hill Road|
Washington, Connecticut 06793
Day & Boarding
|Motto||Vir Bonus Semper Discipulus Est|
(A good man (person) is always a student.)
|Principal||Peter W.E. Becker|
|Grades||9– 12/PG Year|
|Enrollment||298 (2016-17 )|
|Average class size||12 students|
|Student to teacher ratio||6:1|
|Campus size||220 acres (0.89 km2)|
|Sports||15 sports teams|
The Gunnery is a private coeducational boarding and day prep school located in rural Connecticut, United States. The 220-acre (0.89 km2) campus borders the village green of Washington, a small, historic town in Litchfield Hills. The Gunnery, named after the Gunn family, has no military affiliations and is a non-sectarian school.
The Gunnery was founded in 1850 by Frederick W. Gunn, a teacher, abolitionist, and father of recreational camping in America. It was originally 30 boys on 50 acres.  In 1894 The Ridge School was founded as an affiliated junior school for younger boys. The basic mission of The Gunnery is to promote the four cornerstones on which character is built: scholarship, integrity, respect and responsibility.
The Gunnery's academic curriculum emphasizes the liberal arts; Advanced Placement courses and many electives are offered in all disciplines. Classes average 15 students in size and are taught as seminars.
The Gunnery was founded by Frederick William Gunn and his wife Abigail in 1850. Their school offered a classical education typical of Anglican tradition schools of the time but also emphasized on athletic opportunities, environmental awareness and moral values. In a less inclusive era, the Gunns' school welcomed girls, international students and African American children. The 1920s saw sweeping changes brought to the school. It became an all-boys school, enrollment tripled and new buildings were added. During World War II, the Gunnery prepared boys for entering the armed forces. In 1977, the Gunnery returned to its coeducational roots. For several years prior, the Gunnery had a partnership with the nearby all-girls school Wykeham Rise, which has since closed.   The first female head was appointed in 1991.
The Gunnery is a day and boarding school, with 68% (204 boarders, 94 day)of its students residing in one of the ten dormitories on campus. Residential students are looked after by faculty and students designated as Residential Assistants (RA's).  In most cases, students are grouped by class. Each dormitory consists primarily of single and double student rooms, but also houses faculty members and their families. 85% of the faculty lives on campus. There are students from 21 different countries and 22 states in the U.S. Countries such as Kenya, Ireland, Hong Kong, Canada, Bahrain, Czech Republic, and Mexico are represented in the student body.
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- 1989 - Boys' Soccer - WNEPSAC
- 1990 - Boys' Hockey - WNEPSAC
- 2007 - Boys' Baseball - Western New England Prep Baseball League Champions
- 2007 - Girls' Lacrosse - New England Class B Co-Champions
- 2009 - Boys' Baseball - Western New England Prep Baseball League Champions
- 2012 - Girls' Field Hockey - New England Class C Champions
- 2013 - Girls' Hockey - New England Division II Champions
- 2014 - Girls' Hockey - New England Division II Champions
- 2014 - Boys' Crew - National Schools Championship Regatta Champions
- 2016 - Boys' Hockey - New England Elite Eight Tournament Champion
- 2016 - Boys' Lacrosse - WNESSLA and Colonial Tournament Champions
- 2016 - Boys' Football - New England Eight-Player Football Champions
|Basketball (boys and girls)||Baseball (boys)|
|Field Hockey (girls)||Ice hockey (boys and girls)||Golf (coed)|
|Football (boys)||Skiing (coed)||
Lacrosse (boys and girls)
Tennis (boys and girls)
|Soccer (boys and girls)||Softball (girls)|
|Cross-Country (boys and girls)||Ultimate Frisbee (coed)|
|Crew (boys and girls)||Crew (boys and girls)|
- Gerald Warner Brace (1901–1978) was an American writer, educator, sailor and boat builder
- Edsel Ford II '68 - Member of the board of directors for the Ford Motor Company
- George Grande '64 - sports broadcaster for the Cincinnati Reds
- Andrew Lack '64 - Chairman of NBC News
- Sam Posey '62 - American racing driver and sports broadcast journalist
- Jesse Soffer '03 - Actor 
- Jonathan Tisch '72 - CEO of Loews Hotels
- Steven Elliot Tisch '68 - Chairman/Executive Vice President New York Giants
- Dick Wolf '68 - Creator of Law & Order
- "Facts and Figures - College Prep and Boarding School in CT - The Gunnery". www.gunnery.org.
- Thomas, Grace Powers (1898). Where to educate, 1898-1899. A guide to the best private schools, higher institutions of learning, etc., in the United States. Boston: Brown and Company. p. 37. Retrieved August 17, 2012.
- "About Us — History".
- "Wykeham Rise site to become high-end country inn". The News-Times. August 19, 2014.
- "Dorm - Boarding School Life in a College Prep School in CT - Gunnery School - The Gunnery". www.gunnery.org.
- "Class Notes". The Gunnery Bulletin. The Gunnery. Autumn 2013. p. 40.