This paper provides the first analysis of the relationship between the language mix of Limited English Proficient (LEP) peers and student achievement, using detailed panel data from 2006 to 2012. Percent LEP has a negative association with mathematics and reading test scores, more so for non-LEP...

Numerous economic studies have considered the relationship between class size and student achievement, the majority of which have focused on elementary schools in the US and Europe. While the general finding is that smaller classes are associated with increased student achievement, a few...

Skills are a central source of high productivity and economic well-being. But what do we mean by productive skills? Both with regard to measurement and policy, the primary focus in the U.S. has been on academic skills, as measured by tests of reading, writing and math abilities and by...

Durch die G8-Schulreform haben sich die PISA-Leistungen von GymnasiastInnen in der neunten Klasse verbessert. Insbesondere leistungsstärkere SchülerInnen schneiden bei den PISA-Tests besser ab, während Leistungsschwächere kaum oder gar nicht profitieren - sie scheinen Probleme mit dem...

Reaching the policy goal of improving student achieve­ment by adding resources to the school system has often proven elusive. By contrast, ample evidence indicates that central exit exams constitute an important feature of a school system's institutional framework, which can hold students,...

Do increased instruction hours improve the performance of all students? Using PISA scores of students in ninth grade, we analyse the effect of a German education reform that increased weekly instruction hours by two hours (6.5 percent) over almost five years. In the additional time, students are...

There is a perception among native born parents in the USA that the increasing number of immigrant students in schools creates negative peer effects on their children. In North Carolina, there has been a significant increase in immigrants, especially those with limited English language skills....

Kleinere Klassen in der Grundschule führen zu besseren Leistungen in den Fächern Deutsch und Mathematik. Außerdem senken sie die Wahrscheinlichkeit, eine Klasse wiederholen zu müssen. Dies zeigt die vorliegende Analyse der Testresultate von mehr als 38.000 SchülerInnen, die Daten der...

Academic and vocational qualifications play a crucial role when it comes to successfully integrating refugees and other migrants into society. What qualifications did migrants already acquire in their country of origin and which did they obtain in Germany? And to what extent are qualifications...