St. Andrew's School (founded in 1893) is a nondenominational boarding and day school on a 100-acre (0.40 km) campus in Barrington, Rhode Island, serving co-educational grades 6-12 and postgraduate (PG).

Notable alumni

• Michael Carter-Williams (born 1991), basketball player, last played for the Orlando Magic of the National Basketball Association (NBA)
• Bonzie Colson (born 1996), basketball player for Maccabi Tel Aviv of the Israeli Basketball Premier League
• Ricky Ledo, Turkish League basketball player for Yeşilgiresun Belediye
• Demetris Nichols, former Knicks basketball player
• Andrew Robinson, actor, known for playing the Cardassian spy Elim Garak on Star Trek: Deep Space Nine
• Rakim Sanders, basketball player for Hapoel Gilboa Galil in Israel
• Cole Swider (born 1999), basketball player for the Los Angeles Lakers of the NBA