The National Assessment of Educational Progress (NAEP) results have long displayed student achievement in two ways: as points on a stable vertical scale that typically runs from 0 to 300 or 500 and as the percentages of test takers whose scores reach or surpass a trio of "achievement levels." These achievement levels--dubbed…

When COVID-19 forced a hiatus in federally mandated assessments in spring 2020, it interrupted a quarter century of effort to track, disaggregate, and publicize achievement levels at the school level. The aborted school year put a big data gap where 2020 scores should have been. Combined with the already raging assaults on testing, state education…

Standards-based reform has been America's premier education strategy for more than a decade. Its many backers seek stronger school and student performance and more equal opportunities for children, especially disadvantaged youngsters. Education is attracting more high-level attention and political energy than ever before. Yet standards-based…