President Biden wants universal pre-K. A large new study examines its likely effects.

In the late 1990s, Boston expanded its public pre-K program, but it did not have nearly enough spots for every 4-year-old in the city. So it used a lottery to help determine which children could enroll.

Continue reading: https://www.nytimes.com/2021/05/10/briefing/universal-pre-k-biden-agenda.html