Over the past few years, students by the thousands have refused to take their state's standardized tests. This "opt-out" phenomenon has prompted debate in state legislatures and in Washington, putting states at risk of losing Title I funds. Advocates describe opt-out as a grassroots movement of parents concerned about overtesting,…

In just the last ten years, goaded by broad and still unsettled cultural shifts, education practices have changed dramatically. Schools are no longer just recording and analyzing inputs--dollars spent, number of days of instruction, numbers of students per teacher--but pushing their data-gathering and analysis efforts into the brave new world of…