The research focuses on distance learning adapted to prisoners. This activity is situated between two areas of activities, university and prison. The aim is to analyze a pedagogical innovation process, in various stages. The first stage use an ethnographic approach to understand prison fieldwork through classroom activities observations. A second stagematch pedagogicals and socials specificities of this field. A third stage considers methods and procedures of organization of talk in teachers-students interactions. The corpus has been constituted through classroom activities in prison and it relies on audio and video recordings, which are explored using Conversation Analysis and of technopedagogicals proposals throughout field approach. This study proposes an other way to access to social activities in prison. It opens on an exploratory field study of educational interaction in prison, social and educational reach beyond the prison enclosure.
