To inform state preschool administrators and policymakers as they refine their mixed delivery systems, this report describes the mixed delivery systems of five states that have taken different approaches to supporting providers across settings. All five states serve at least one third of their 4-year-old population and meet at least 7 of the National Institute for Early Education Research’s 10 quality standards benchmarks, indicating that they have many policies in place to support quality preschool. (author abstract)