Chana Joffe-Walt searches the New York City Board of Education archives for more information about the School for International Studies, which was originally called I.S. 293. In the process, she finds a folder of letters written in 1963 by mostly white families in Cobble Hill, Brooklyn. They are asking for the board to change the proposed construction of the school to a site where it would be more likely to be racially integrated. It’s less than a decade after Brown v. Board of Education, amid a growing civil rights movement, and the white parents writing letters are emphatic that they want an integrated school. They get their way and the school site changes — but after that, nothing else goes as planned. Our newest podcast, “The Preventionist” is out now. Search for it wherever you get your podcasts.To get full access to this and other Serial Productions and New York Times podcasts on Apple Podcasts and Spotify, subscribe at nytimes.com/podcasts.To find out about new shows from Serial Productions, and get a look behind the scenes, sign up for our newsletter at nytimes.com/serialnewsletter.Have a story pitch, a tip, or feedback on our shows? Email us at serialshows@nytimes.com