Ladue is an inner-ring suburb of St. Louis, located in St. Louis County, Missouri. As of the 2020 census, the city had a population of 8,989.

The Ladue School District is a public school district in Ladue, Missouri, with four elementary, one middle, and one high school, with a special Fifth Grade Center. The district serves 4,180 total students, and employs 280 full-time classroom teachers. The total operating revenue is $49.9 mil. with $50.2 mil. operating expenses. Ladue spends $11,903 per student, and pays an average of $62,697 per teacher ($41,000-$101,542). According to Newsweek, Ladue ranks in the top 2% of public schools in the nation. It serves an area encompassing 19 sq. mi. with more than 27,000 residents. It includes all or part of 10 communities including Ladue, Creve Coeur, Crystal Lake Park, Frontenac, Huntleigh, Olivette, Richmond Heights, Town and Country, Unincorporated St. Louis County, and Westwood.