INDEF School of Political Economy or commonly abbreviated as ISPE is a political economy training program organized by INDEF with the aim of providing an understanding of basic economic concepts and methodologies for analyzing an economic phenomenon and understanding political-economy practices that occur in Indonesia. ISPE participants are final year undergraduate students, postgraduate students, and the general public. Currently, ISPE already has more than 200 alumni with various professions, such as lecturers, researchers, members of the Indonesian Parliament, public servant, journalists, private employees, and activists of non-profit organizations, and are scattered in various regions in Indonesia.