The study presents partial results from a larger project aimed at supporting the professional development of beginning teachers with respect to their personal epistemology. Based on a thematic analysis of data from explanatory interviews, the article focuses on the articulation between beliefs (epistemological and pedagogical) and stated practices of ten beginning teachers of social sciences and humanities (SHS) in secondary schools. The results highlight the high degree of sophistication of the participants’ epistemological beliefs and the constructivist tendency of their conceptions (...) of teaching and learning. However, the analyses carried out show certain inconsistencies between the beliefs and practices of these teachers, from which a significant proportion of rather transmissive teaching approaches emerge. Finally, these results lead to the formulation of ways to support beginning SHS teachers in-service training around these issues. (shrink)