Conceptual and methodological innovations in the research of educational inequalities

The paper provides a survey of the key thematic and methodological milestones in research into educational inequalities. It focuses on authors and concepts that introduced major innovations and contributed to significant advancements in the analysis and knowledge of educational inequalities. We have distinguished three periods, focusing on two key concepts in each. Three of the concepts are presented as breakthrough methodological innovations and three are viewed as thematic innovations.