Still no hard evidence for state pre-K benefits

Proponents of universal, government-funded preschool have an important question to answer: “Does state pre-K improve children’s achievement?”
Based on the growing, bipartisan support for the concept of universal preschool, one might think the empirical evidence is in and that the answer is a resounding yes.
“It’s a developmental necessity and we need to advance it for the rest of the state,” said Lt. Gov. Gavin Newsom earlier this year, citing San Francisco&rs