One of the main demands of the feminist movement that has manifested since 2018 has been to provide a "non-sexist education", indicating that the school system would be permeated by patriarchal logic. This article aims to contribute to the understanding of this problem, based on a look at its recent background. Specifically, it aims to give a synthetic vision to the political and ideological development of the main policies associated with sexuality and gender in the context of transition to democracy in Chile (1988-1998).