The OECD's new Study on Social and Emotional Skills aims to provide policy makers, educators, families and communities with a comprehensive set of tools to foster students' social and emotional learning. The Study's assessment framework -- presented in this paper -- is a result of an extensive literature review of previous research, existing…

Student achievement varies widely across developed countries, but the source of these differences is not well understood. One obvious candidate, and a major focus of research and policy discussions both in the United States and abroad, is teacher quality. Research and common sense tell that good teachers can have a tremendous impact on their…

Large-scale international assessments, such as PIAAC (Programme for the International Assessment of Adult Competencies) or PISA (Programme for International Student Assessment), have heightened interest in the comparative analysis of factors influencing the formation of skills and their change over time. However, such comparison has been hindered…