The argument for national curriculum standards sounds simple: set high standards, make all schools meet them, and watch American students achieve at high levels. It is straightforward and compelling, and it is driving a sea change in American education policy. Unfortunately, setting high standards and getting American students to hit them is…

The looming expiration of the federal No Child Left Behind Act (NCLB) has prompted a flood of commission reports, studies, and punditry. Virtually all of those analyses have assumed that the law should and will be reauthorized, disagreeing only over how it should be revised. They have accepted the law's premises without argument: that…