"A national research project recently released by the Northwest Evaluation Association indicates that student achievement has improved since No Child Left Behind (NCLB) was implemented, but student growth has declined slightly. If change in achievement of the magnitude seen so far continues, it won't bring schools close to the requirement of 100 percent proficiency by 2014. The study also evaluated achievement gaps among ethnic groups."
This report is FREE on the NWEA website, however you are required to give some basic information before downloading this report.