Despite a pending policy change aimed at including more students with disabilities and English-language learners (ELLs) in the "nation's report card," the federal agency that administers the national testing program appears to be softening the penalty for states that fail to improve inclusion rates. The disagreement underscores the…

Recent months have brought an ever-louder drumbeat in support of state-level participation in the Programme for International Student Assessment (PISA), with a weaker chorus calling for states to participate in the Trends in International Mathematics and Science Study (TIMSS). Despite the growing infatuation with international comparisons of…

Many articles and reports have reviewed, researched, and commented on international assessments from the perspective of exploring what is relevant for the United States' education systems. Researchers make claims about whether the top-performing systems have transferable practices or policies that could be applied to the United States. However,…

Problems of scale typically arise when comparing test score trends, gaps, and gap trends across different tests. To overcome some of these difficulties, we can express the difference between the observed test performance of two groups with graphs or statistics that are metric-free (i.e., invariant under positive monotonic transformations of the…