This article reports that the six states that now have federal approval to change the way they hold schools accountable under the No Child Left Behind (NCLB) Act will use six different ways to distinguish between schools with minor problems and those that need total overhauls. The variety of approaches will help inform Congress when it resumes debate over reauthorizing the NCLB law in 2009, and help it address complaints that the current law doesn't offer enough flexibility to decide what actions states and districts may take in addressing individual schools' needs. U.S. Secretary of Education Margaret Spellings was discouraged that many other states had failed to take up the challenge to change the way they intervene in schools failing to make adequate yearly progress under the 6 1/2-year-old NCLB law. One official representing states isn't surprised, though, that states weren't willing to rewrite their accountability systems to participate in the pilot project--one of several initiatives Ms. Spellings has introduced this year because Congress has postponed its effort to reauthorize the law. Other critics suggest that the plans Secretary Spellings approved would undermine the NCLB law's requirement that schools be held responsible for student achievement across various demographic groups.