Since 1986, the government has required states to provide therapy to newborns and children with developmental delays of all kinds. But Latino and black families have less access to the program.

Parents and activists are organizing to demand equity.This article on early intervention was produced by The Hechinger Report, an independent nonprofit news organization focused on inequality and innovation in education. Read his other articles in Spanish. Read this article in English. Read the Spanish version at CNN.com/HechingerReport.