Wilton High School is a public high school in Wilton, Connecticut, U.S., considered "one of Connecticut's top performers" in various measures of school success in 2007, including scores on standardized mathematics and reading tests. In 2016, U.S. News & World Report ranked Wilton as the 7th best public high school in Connecticut and 386th in the United States.

Wilton is a town in Fairfield County, Connecticut, United States. As of the 2020 census, the town population was 18,503. The town is part of the Western Connecticut Planning Region.