The EHESS Doctoral School of Social Sciences (ED 286, co-accredited with PSL/ENS), is based on the practice of interdisciplinarity and on international openness. It is based on the overall policy of the establishment which does not dissociate the objectives of training from those of research. It benefits from a rich and varied offer in terms of theoretical approaches and methods, which crystallizes in the seminar of research. Each Phd candidate benefits from the supervision of one of the 300 Profesors or researchers accredited to supervise Phd studies an is hosted in one of the 30 laboratories of the EHESS.