Pennsylvania, Texas, and Wyoming are the latest states to apply for waivers from the No Child Left Behind Act. The three made the Feb. 28 deadline for a fourth-round application window, bringing the list of states that have sought flexibility from the federal accountability law to 47.
So far, 34 states and the District of Columbia have won flexibility from the U.S. Department of Education for key pieces of the NCLB law. In exchange, states had to agree to such requirements as implementing teacher- and principal-evaluation systems tied to student growth.