As discussed in detail in my May 30 blog post, “Adjusting the Best High Schools Rankings for Government Data Errors [1],” the federal government found that data from the 2009-2010 school year for a small number of schools that appeared in the U.S. News 2012 Best High Schools [2] rankings was incorrect, says Robert J. Morse for U.S. News. The information came from the U.S. Department of Education’s National Center for Education Statistics [3] (NCES), which collects data from states for all public elementary and secondary schools annually and publishes that data on the Common Core of Data [4] (CCD) website. As a result of these errors in the federal government data, the U.S. News rankings for a few schools with these data errors were not correct. The federal government has now finished rechecking all public high school data; it has issued a final tally of which schools had incorrect data [5] in 2009-2010 and has removed that data from the CCD website…