The number of Roma students included in the education system continues to grow. Education conditions are still not at the level they are for majority students. Although a number of measures and strategies are being adopted to improve the situation of Roma students, there is still room for improvement. In the last twenty years, Roma mediators have been active in the Republic of Croatia, whose work seeks to improve the educational success of Roma students and their position in the education system. The paper is divided into two parts: the theoretical starting points on the topic and the empirical part. Theoretical starting points are a brief overview of Roma history and culture, the context of the conditions in which Roma live every day, an overview of factors influencing the quality of education of Roma students and the need to theoretically explain the importance and role of Roma mediators in Roma education. The final chapter of the theoretical part of the paper presents in detail the role of the Roma mediator in the education of Roma students, its functions, tasks and responsibilities, and seeks to clarify the terminological dilemmas that are numerous. In the empirical part of the paper, a research was presented which sought to investigate the role of the Roma mediator in the education of Roma students in Croatia. Two Roma mediators and one pedagogue participated in the research according to the principles of qualitative methodology. A semi-structured interview procedure was used, while data processing was descriptive in nature. The analysis of the obtained data shows the daily obligations of Roma mediators in their work with Roma students, various aspects of cooperation with other participants in the educational process, their position and status of Roma mediators in the school institution, as well as their thoughts on the education of Roma students.