Darien is served by the Darien Public Schools, and Darien High School was ranked No. 1 in the "U.S. News Best High Schools in Connecticut" in 2019. The school also ranked in the top 150 in the national rankings, and in the top 50 in STEM high schools in the United States. Darien has five elementary schools: Hindley School, Holmes School, Ox Ridge School, Royle School, and Tokeneke School. A $27 million addition was completed in 2000 to the town's middle school, Middlesex Middle School, and a new $73 million campus for Darien High School was completed in the fall of 2005. Darien sports teams go by the name of the "Blue Wave".