Most states nationwide have had policies for several decades that limit the number of students assigned to public K-12 classrooms. Southern Regional Education Board (SREB) states, led by Tennessee and Texas, spearheaded this effort in the 1980s, and SREB's own "Legislative Briefings" have marked the growth of class-size policies across the region.…

For nearly a decade, the demand for better education data has reverberated across the nation, fueled in part by concerns that the information used in education decision-making is incomplete and, in some cases, inaccurate. In response, millions of federal and state dollars have been invested over the last few years to design and build state-of…