"This is the piece that's been missing." This reaction is common among educators engaged in AIW Iowa, an initiative that engages teachers and administrators in professional learning communities that are improving student achievement, increasing student engagement, and building a schoolwide professional culture focused on improving…

Although the federal No Child Left Behind (NCLB) Act requires that classroom teachers be highly qualified, the assumption that achieving the highly qualified endorsement equates to teacher effectiveness in the classroom is unverified. The purpose of this study was to compare the effect of teacher qualification, as defined by the NCLB Act and…