Within the SciMaG project, the current activity is the research of threshold concepts in STEM fields. Partner universities conducted research on the project with the support of partner schools. The first part of the research in Serbia was jointly organized by team members of the University of Novi Sad and Jovan Jovanović Zmaj Gymnasium, on April 18, 2024. This phase included teachers from primary and secondary schools in Novi Sad and its surroundings. The research was carried out in the school premises, in the form of workshops in STEM areas, gathering over 40 teachers who gave their professional input and, through discussion, enabled important conclusions and recommendations for the further course of the research and the project itself. In the following period, other steps in the research will follow!