From the meeting of two different generations of teachers, linked to the same public institution of primary education, the intention is checking if they established socializing and training exchanges, and if this contributed to the consolidation of their processes of continuing education in service. The study had as an empirical field a public basic education institution which is located in the state of São Paulo, and in that universe dialogued with two different generations of teachers: the adult and the young generation of teachers. Besides the age factor, the seizure of teachers as participants of different generations, we consider the experiences and school trajectories of teachers, especially their initial training processes for the practice of teaching in the circumstances and historical, social and political temporalities they occurred in Brazilian society. The research of qualitative approach has benefited from theoretical contributions found in the works of authors linked to the areas of Education, Sociology and Philosophy of Education. In field works were adopted methodological procedures as direct observation, the recording in a field diary, the application form with open and closed questions and the realization of "reflective interview." The results obtained in the different stages of the study, particularly the observations and stories of individuals who have contributed to the survey, showed that the teachers-adults and young interact, they produce social and educational ties, and perform intensive process of formative nature exchanges. From the ties and experiences that weave together, they produce and reproduce answers to the daily school demands and problems that consider to be the most challenging in the social interactions with their students in the teaching-learning relationships in the classroom, in the tangle of administrative and bureaucratic relationships that invade the school world, in interactions with families of origin of child students who educate. However, the study results also showed that the content of the exchanges that teachers conform do not have enough power to produce answers to the concerns as they share the social, cultural and generational changes invading the school, causing, among other situations, the loss of centrality of education in the formation of new generations of students, and what they called a "devaluation" of the figure and the teacher's authority today.