The article offers a synthesis of the process towards the feminine majority presence that has concerned the official professorship of the second education in Spain. From the origin of the women's incorporation to the teaching baccalaureate that was given in the Institutes in the second decade of the 20th century, up to the generalization of her presence from the General Law of Education of 1970. It approaches the circumstances that allowed and accompanied the women's incorporation as teachers on the Institutes of The Second Education. The expectations of a professional qualified work, the desire and the need of that her studies had a personal and social utility, and the decision to put for her part all the effort that it was needing, made possible that they were managing to occupy with rigor and with recognition a legitimate space also for the women. This allowed transformations and symbolic significant displacements in periods and political moments in which her presence had not been foreseen in many of the places along which they were passing.
