A growing number of states are interested in tracking the readiness of children entering kindergarten. In 2010, just seven states (Alaska, Connecticut, Florida, Hawaii, Maryland, Minnesota, and Vermont) collected Kindergarten Entry Assessment (KEA) data for the purposes of aggregating data at the state level. Since this time, most states report…

Each year, the National Council on Teacher Quality (NCTQ) publishes the "State Teacher Policy Yearbook," a comprehensive examination of the state laws, rules and regulations that govern the teaching profession, measured against a realistic set of reform goals. For five years running, the full "Yearbook" compendium…

Teachers have the greatest school-based effect on the achievement of any child in their classrooms, but highly effective principals can positively affect the achievement of every student in their schools. The difference between a highly effective principal and an average one is equal to two-to-seven months of extra learning per year for each child…