How to account for working-class knowledge disqualification in a context of strong valorization of training by apprenticeship in companies? Implementing a sociology of relations allows not only to enlighten the mechanisms that organize the denial of working-class and women's qualification, but also to highlight that the analysis cannot disregard the issue of workingclass culture, too ofen underestimated by the French sociology.
labor; education; working-class culture; working-class (and women's) qualification; (working-class and employees') knowledge