Is the idea that the self-determination of all citizens influences progress towards democracy not merely a dream that breaks itself against the hard historical reality of political societies? Is not the same fate reserved for all pedagogical innovations in democratic education that depend on this great dream? It is commonplace to assert this logic to demonstrate the inapplicability of the ideas of both democracy and of democratic education. Though this argument is prominent and recurring in the history of political and educative ideas, in response we can ask ourselves if the gap between the ideal and the reality is effectively insuperable and must be considered an incontestable fact. The double objective of this article is to determine explicitly the meaning and extent of this gap in the context of democracy and of education and to demonstrate that this gap is neither static nor permanent, but is susceptible to being narrowed, from generation to generation.