A top researcher says it's time to rethink our entire approach to preschool

Dale Farran has been studying early childhood education for half a century. Yet her most recent scientific publication has made her question everything she thought she knew.

"It really has required a lot of soul-searching, a lot of reading of the literature to try to think of what were plausible reasons that might account for this."

And by "this," she means the outcome of a study that lasted more than a decade. It included 2,990 low-income children in Tennessee who applied to free, public prekindergarten programs. Some were admitted by lottery, and the others were rejected, creating the closest thing you can get in the real world to a randomized, controlled trial — the gold standard in showing causality in science...

https://www.npr.org/2022/02/10/1079406041/researcher-says-rethink-prek-preschool-prekindergarten