Hans Döbert Professor, German Institute for International Pedagogical Research, Berlin and University of Erfurt Research Profile: Empirical and Comparative Educational Research; Education and Monitoring,; Research on Schools and Teachers   Botho von Kopp Ph.D. Associated Researcher, German Institute for Pedagogical Research, Frankfurt/M. Research Profile: Comparative Education Research,  Education Policy and Governance Research, Education Stratification Research.     Wolfgang Hörner Professor of Comparative Education, Universität Leipzig Research Profile: Methodology of Comparative Education; Analysis of Educational Systems; Education in Central and Eastern European Countries; School and Work   Lutz R. Reuter Professor of Educational Policy Research, Helmut Schmidt University, Hamburg Visiting Professorships: Northwestern University, Chicago, USA; University of Stellenbosch, RSA; University of Maputo, Mocambique; Technical University of Nanjing, China Research Profile: Education Systems and Comparative Education; Educational Governance and Law; Education Policy and Politics