The EEE3S+ project aims to create a European School of Social Entrepreneurship. It designs a training mobility program for the development of a social enterprise. The project is led by the University of Western Brittany of Brest France, the University of Valencia of Spain, the University of Complutense of Madrid of Spain, the Polytechnic School of Porto of Portugal, the Higher School of Saint Anne of Pisa of Italy, the University of Santiago of Chile and CIRIEC-Spain.