The National Assessment Governing Board has a legislatively mandated responsibility to develop National Assessment of Educational Progress (NAEP) achievement levels. The Board Policy Statement on Developing Student Achievement Levels for the National Assessment of Educational Progress provides policy definitions of "NAEP Basic,"…

Research shows that one-quarter to one-third of teachers who leave the profession return, the majority after only a short absence. Though returning teachers can constitute a substantial share of newly hired teachers in schools each year, little is known about them, the factors associated with their decisions to return, or the schools to which…