https://www.fcd-us.org/the-power-of-prek-3rd-how-a-small-foundation-helped-push-washington-state-to-the-forefront-of-the-prek-3rd-movement/
The study chronicles how The New School Foundation influenced primary education reform in Washington by creating one of the leading PreK – 3rd programs in the United States.
The PreK-3rd program was implemented in two of the lowest performing public schools in Seattle. After eight years encountering obstacles and resistance, the PreK-3rd program at South Shore School began to produce results. Now, not only is this program influencing other districts in Washington, but also PreK-3rd efforts in the rest of the country.