Center for Research and Support of Schools in Management and Training (KERYSDE) KERYSDE is a research unit of the Department of Pedagogy of the Aristotle University of Thessaloniki (Department of Philosophy and Pedagogy). The main objectives of the Center are: a) the preparation of research concerning school administration and the in-school training of teachers, b) the provision of advisory support to schools that wish to improve their administrative practices and strengthen the professional learning of their teaching staff and c) the creation of a data “bank” (applications from other countries, bibliographic documentation, statistics), as well as a file of relevant educational and training material. The head of KERYSDE is Professor Sofia Avgitidou (June 2022- June 2025).