More than a decade after the implementation of the Master's Degree in Secondary Education Teaching as a teacher training framework, it is evident the need, opportunity and importance of pausing to evaluate its achievements and challenges.In this sense, this doctoral thesis aims to contribute to the analysis and evaluation of initial training for prospective secondary education teachers. This research comprises a compendium of publications, based on articles published in various scientific impact journals, with a common thread of trying to keep working with the aim of improving secondary education initial teacher training. Each of the articles presented here responds to a specific objective of the research that was carried out, addressing, starting from a general scope to a more specific one, the initial training of secondary school teachers, and specifically those of the specialty of geography and history. First, we analyze, throughout different academic years, the teaching imaginary, expectations, and ideas regarding the training model for educators of the students in the Master's Degree in Secondary Education Teaching enrolled in the different specialties offered by the UVa. Next, focusing on the specialty of geography and history, the focus is placed on the teaching competences of secondary education prospective teachers, and seeks to understand the competence mastery perceived by the students of this specialty, as well as the importance attributed and the correspondence between both elements. Finally, the third study focuses on the digital competence for educators, examining whether the training offered through the subject Teaching Innovation in Geography, History and Art History has helped to foster this competence among students. This compendium is accompanied by a series of pages focused on the profession of teaching, and includes a review of European legislation and guidelines, as well as of the different models of teacher training in secondary education. The evolution of the Spain during the successive reforms and reform proposals is detailed through the contribution of the Social Science Didactics area of the University of Valladolid. Finally, a section of conclusions is presented, reflecting on the Master's Degree teacher training framework, on students' expectations, on the acquisition of teaching competences, and finally, on the development of the digital competence for educators. In addition, proposals for improvement are presented, and lines of research and future challenges are identified.