Kajsa Yang Hansen is a Professor in Education at University of Gothenburg. Her research interest lies in educational quality and equity in Sweden and worldwide. She focuses on the mechanisms behind the intensified educational inequity and school segregation across time and countries. She has led and conducted several research projects, investigating the consequences of school reforms to educational equity in Swedish schools, the compensatory effect of different school systems on educational equity, and trend in the opportunity to learning. Yang Hansen’s methodological interest lies in the advanced quantitative methods, such as multilevel and longitudinal data analysis and econometric methods facilitating causal inference.