This study challenges prior evidence on the impact of Korea's high-stakes school accountability policy as a tool to improve overall achievement and close achievement gaps. Applying difference-in-differences method, the study compares Korean high school students' reading and math test score trends before and after the policy based on the National…

Background/Context:Policy discussions in the U.S. and abroad have become increasingly studded with reference to the results of international tests like PISA. Unlike most assessments, PISA is not designed to measure whether students have mastered a particular school curriculum but rather provide a measure of students' ability to meet future…

There are large differences across countries in instructional time in schooling institutions. Can these differences explain some of the differences across countries in pupils' achievements in different subjects? While research in recent years provides convincing evidence about the effect of several inputs in the education production function,…

Educators and governments are paying increasing attention to international comparisons as they seek to develop effective policies to improve the performance of their education systems. Data from the Organization of Economic Cooperation and Development (OECD) are useful in revealing best practices across the world. Current data show that the United…

This report by the Center on Education Policy (CEP), an independent nonprofit organization, examines trends in the achievement of high school students on the state reading/English language arts (ELA) and mathematics tests used for accountability under the No Child Left Behind Act (NCLB). In most states, these tests are first administered in grade…

Accountability, autonomy, and choice play a leading role in recent school reforms in many countries. This report provides new evidence on whether students perform better in school systems that have such institutional measures in place. We implement an internationally comparative approach within a rigorous micro-econometric framework that accounts…

Improving education outcomes is important for Germany's long-term economic performance and social cohesion. While student achievement is above the OECD average in science and at the OECD average in reading and mathematics according to the 2006 OECD PISA study, weaker students tend to do badly by international comparison and socio-economic and/or…