I found this to be a misleading article after digging into the links. It highlighted the negative questions raised in the panel discussion at the Cato Institute without going into the positive conclusions in the research. It leaves the impression that the questions raised were the conclusions
; in particular for the meta study by Deborah A. Phillips and colleagues. Here are the conclusions of that study.
Large-scale public preschool programs can have substantial impacts on children’s
There are long-term effects on important societal outcomes such as high-school graduation, years of education completed, earnings, and reduced crime and teen pregnancy, even after test-score effects decline to zero
Quality preschool education is a profitable investment. Available benefit-cost estimates ,,, range from three to seven dollars saved for every dollar spent.
The evidence is clear that middle-class children can benefit substantially, and that benefits outweigh costs for children from middle-income as well as those from low-income families. However, children from low-income backgrounds benefit more.