Education in the United States has a foundational public purpose: to prepare students for effective citizenship. The idea that an educated and engaged citizenry is essential to the health of a democracy motivated the creation of government-run "common schools" in the early decades of the nation and remains an important value in modern…

In his campaign for Mayor of New York City, Bill de Blasio positioned himself as the candidate most determined to break with the legacy of the outgoing Michael Bloomberg administration. Voters responded enthusiastically, handing de Blasio a nearly 50-point margin of victory in the November 2013 election. De Blasio, a Democrat, interpreted the win…

For a decade, at least since the passage of No Child Left Behind, the nation's foremost education goal has been to erase achievement "gaps" in which African American, Latino, and low-income students dramatically lag behind their peers. This emphasis has enjoyed broad support through the Bush and Obama administrations, and from major…

Most studies focus on the effects of charter attendance on short-term student achievement (test scores), using either data sets that follow students over time or random assignment via school admission lotteries to control for differences between students in charter and traditional public schools. Beyond measuring achievement effects, however,…