This article proposes a discussion concerning the psychologist's role and function in the school context, from the standpoint of the analysis of the main theories that today permeate the debate in education. The school psychologists have, along their time of insertion in that context, worried themselves with difficulties of student learning, in an individualized, sectorized performance. However, this role needs to be redimensioned, once the psychologist should have a theoretical formation that would instrumentalize the active participation in the discussions concerning the teaching-learning process, acting in the "didactic situation" - with the students, with the teachers, finally with the whole school community, inside of a historically determined time.
Psychologist's role; school context; psychogenetic theories