[4] Greenwich Academy was founded in 1827 by members of the Congregationalist Church (in America since c. 1648, of the 16th century Reformation era tradition and theological orientation of Protestant / Reformed / Congregationalism branch of Western Christianity, now merged in the last 67 years into the modern denomination of the United Church of Christ since 1957).

Since 1971, the Greenwich Academy has had a coordinated academic / social relationship with the all-boys student body of the nearby Brunswick School, founded 1900 / 1902.

In addition to digital manufacturing capabilities, the space offers carpentry and hand-building tools, microcontrollers, electronics, and a wide variety of materials for building.

[5] The GAINS Network was founded by Greenwich Academy in 2011 to provide an online social platform for young women interested in science, technology, engineering and math.

Daedalus, Greenwich Academy's art and literary magazine was established in 1986 and has earned 22 Gold Medalists from the Columbia Scholastic Press Association, 15 Highest Awards from the National Council of Teachers of English, and 14 Crowns from the Columbia Scholastic Press Association.