Iris Boer is a PhD candidate in the department of Interdisciplinary Social Sciences at Utrecht University and at the Interuniversity Center for Social Science Theory and Methodology (ICS). She obtained her BSc in Educational Sciences at Utrecht University in 2020. Afterwards she obtained the Research MSc Educational Sciences: Learning in interaction at Utrecht university in 2022 (cum laude). During her PhD, Iris aims to examine how teachers impact students’ ethnic and social class relations by focusing, among others, on their communications about ethnic and socioeconomic diversity.