Abstract
Research in didactics is struggling to permeate teaching practices. This study questions the professionalization of mentors in charge of initial training in the field. Invoking two fields of research, didactics of literature and education and training sciences, the study mobilizes a methodology centered on the follow-up of mentor - mentee pairs in schools. The aim is to identify how the concern for the training of the student-person is the object of transactions within the framework of the mentor - mentee training device.