Principals (policy makers) have debated the progress in U.S. student performance for a half century or more. Informing these conversations, survey agents have administered seven million psychometrically linked tests in math and reading in 160 waves to national probability samples of selected cohorts born between 1954 and 2007. This study is the…

The International Association for the Evaluation of Educational Achievement's (IEA) mission is to enhance knowledge about education systems worldwide, and to provide high-quality data that will support education reform and lead to better teaching and learning in schools. In pursuit of this aim, it conducts, and reports on, major studies of student…

Students' attitudes and conceptions seem to be influenced by social/cultural contexts and interactions with other students from diverse backgrounds. Therefore, educators need to study attitudes, conceptions, and career choices in relation to diversity indicators. Such was one focus of the Science Education for Diversity project, which involved…

The purpose of this study was to identify and validate subtypes of peer status by integrating preference and popularity into a single framework. Person-oriented analyses were performed among 3,630 children and adolescents of different cohorts in primary and secondary education. In the young age groups (Grade 3/4 to Grade 7), three clusters were…

Romania's education system has made impressive strides over the past two decades, with an increasing share of students mastering the basic competencies that they need for life and work. But these average improvements mask significant disparities in learning outcomes and attainment, with an increasing share of students leaving education early…

In the beginning of the first decade of this century, some highly-publicized extremistic acts of terror occurred. A hostage tragedy in a school in Beslan (North Ossetia) was followed in the Netherlands by the brutal murder of the controversial Dutch filmmaker and newspaper columnist Theo van Gogh, bomb attacks in Bali and Madrid and other acts of…