L'éducation interculturelle dans la formation des enseignants ne se limite pas à l'idée de la tolérance et de l'acceptation de l'autre. elle comporte trois principes cohérents : l'éveil et le renforcement de la réflexion critique chez l'enseignant, son intérêt et sa flexibilité à gérer des innovations dans l'éducation, la construction d'une conception plus globale et d'une gestion plus efficace de la complexité sociale et humaine. notre travail présente une recherche-action qui a duré deux ans et qui a visé à la formation (longue durée) des enseignants grecs. elle s'est basée sur l'hypothèse générale que l'éveil aux langues est susceptible de créer chez les enseignants des savoirs, des attitudes et des aptitudes qui leur permettent de mieux valoriser le capital linguistique et culturel de leurs élèves ainsi que de leur donner un ensemble de pratiques et une typologie de compétences qui leur permettraient de faire des choses avec les langues dans tous les domaines disciplinaires. de plus nous considérons qu'une formation de type recherche-action sur l'innovation éveil aux langues est susceptible d'aider les enseignants à mieux valoriser le capital linguistique et culturel de leurs élèves, à développer l'interculturalité sous ses divers aspects dans leurs pratiques éducatives ainsi que de mener à bien une éducation langagière en fonction des besoins et des capacités de petits locuteurs de langues variées et sur le plan d'une sensibilisation systématique aux compétences métalinguistiques, métacognitives et interculturelles. / Intercultural Training in teacher education is not limited to the idea of tolerance and acceptance of others. It consists of three integrated principles: the awakening and strengthening of critical thinking among the teacher, his interest in the implementation of educational innovation and the ability to build a more holistic view and more effective management of human and social complexity. Our work presents an action-research project that lasted two years and was aimed at training (long-term) of the Greek teachers. The final sample who participated in our research is 10 persons, all early childhood, primary and high school teachers who are working in multilingual classes. The training model called "Evolutionary training model" is based on the general assumption that the innovation of the Awakening to Languages, when en-golfed by teachers education, may create among teachers knowledge, attitudes and skills that enable them to make better use of the linguistic and cultural capital of their students and provide them a set of practices and a typology of skills that can facilitate them to work with languages throughout the curriculum. To test our hypothesis we chose a triangular approach. Research tools in part have been developed by us, in part from comparable research. These are two types of questionnaires, group interviews recorded and transcribed. In addition, we have based on our own observations as well as the experiment conducted by teachers in multilingual early childhood and primary school classes. In our participatory and action-oriented training, a second set of assumptions has emerged : our long group discussions, individual interviews, our observations have led us to ask whether a dynamic and systemic approach to the type of action-research training, as has been the training at the Awakening Languages, may create the necessary conditions, intra psychic and intra groupal so that the teachers develop a reflexive attitude towards their own, representations, manage their own social and professional problems in a dynamic way and stop feeling professional isolation. The main conclusion is that before talking about an effective intercultural education, we need to modify some elements in the socio-professional and personal identity of the teachers because the innovation of Awakening to Languages can help teachers realize their own representations of linguistic and cultural diversity in the classroorn, as well as their teaching practices and renegotiate with them.