If the superintendents of failing school districts were as adept at fixing schools as they are at making excuses for their poor performance, America would have the best education system in the world. Instead, the just-released tests administered by the Program for International Student Assessment show that other countries are making faster progress than the United States. Our teenagers are now ranked 26th in math, 21st in science and 17th in reading. Shanghai, Singapore, South Korea, and Hong Kong are leading the pack.