Within the frame of a study of knowledge shared between the student teacher mentors and student teachers, the author presents an analysis of knowledge regarding a cultural approach in teaching ; Data was collected from five student teachers and their mentors. The participants define the notion of culture with various meanings, question the meaning given to a cultural approach in teaching while recognizing the cultural dimension of a school, and consider that a cultural approach is a means to support the student in his learning. Although their knowledge changed little during the practicum experience, the participants noted that there was a positive impact from their discussions.