The following document is part of a research entitled “Potentialities of laïc education in primary school” based on the Alain Touraine’s theory of the new cultural paradigm as well as the contributions of the main representatives of laïcite like Henri Peña, Jean Bauberot and Roberto Blancarte. This writing submits some reflections about the topic of laïcite en mexican public education, its meaning, its interpretation, the cultural battles arpund it and above all, their potentialities on citizen formation in primary school.