Esta investigación se inscribe en un proyecto que busca ampliar la teoría constructivista piagetiana para explicar el desarrollo del conocimiento social, entendiendo que este se construye en la interacción entre procesos cognitivos y prácticas culturales. Se propone analizar las concepciones de adolescentes del Área Metropolitana de Buenos Aires sobre la participación social y política fuera del ámbito escolar, en un contexto donde estudios previos evidencian un alejamiento de la política tradicional y una visión negativa y restringida de la misma. Palabras clave Teoria constructivista - Representaciones sociales - Participación - Adolescentes ABSTRACT CONCEPTUALIZATIONS OF PARTICIPATION IN ADOLESCENTS AGED 15 TO 17 OUTSIDE THESCHOOL This project is framed in constructivist psychology and seeks to contribute to the explanation of thedevelopment of knowledge in the social domain, understood as the field of phenomena andrelationships about which individuals formulate ideas, constituted during their interactions in the fieldof social experience. With this purpose, this project aims to analize the conceptualisations ofparticipation in adolescents from Buenos Aires Metropolitan Area outside the school institution agedbetween 15 to 17 years old and whether these conceptualisations vary according to gender and socialclass of the participants. Data collection will be carried out by semi-structured interviews, guidedaccording to the Piagetian clinical-critical method and the data obtained will be analysed on the basis ofthe guidelines of the constant comparative method. Keywords Constructivism - Participation - Adolescents