PPSP was founded in May 1966. The movement was able to gain considerable influence amongst student in Athens and Thessaloniki. PPSP published the magazine "Spoudastikos kosmos" (Σπουδαστικός κόσμος, 'Students World'). PPSP was a front organization of the Organisation of Marxists-Leninists of Greece (OMLE). During the Athens Polytechnic uprising PPSP member Grigoris Kollitsidas formed part of the University Coordination Committee.