This reflection article presents the development of a theoretical-methodological decolonial proposal which, from elements previously developed by other authors, has been built for the doctoral thesis project in progress titled The Colonial School and the Negotiation of Identities: an Understanding from two Educational Institutions of the Island of San Andres. The article shows the way in which the researcher makes an approach to the reflection on the importance of transcending disciplinary boundaries in order to better understanding any given research problem as one consisting of a network of social relations, and in the same way recognizing «other places» to narrate the past and to set up an epistemology frontier. This reflection was attained by inducing a dialogue among different disciplines, authors and methods of research, such as ethnography, that facilitate the transit towards a dialogic and collaborative proposal