Given curricular changes in medical education and the importance of health promotion and primary care, the current study, which resulted from the Educational Program for Health Work (PET-Saúde), aimed to report on the experience of a group of medical and nursing students with the integration of educational activities and primary healthcare. The study also demonstrates the importance of educational work in health promotion and disease prevention and reveals social determinants in the health-disease process in the study area. The project included two phases: 1) enrollment of families in the coverage area of the Family Health Unit in the neighborhood used as the teaching area for the Jundiai School of Medicine (FMJ) and 2) a quantitative and qualitative data analysis, used to prepare activities with a focus on the health of children, women, and adults and the elderly. This article emphasizes the achievements in children's health on the following issues: prevention of childhood accidents; breastfeeding; obesity; respiratory diseases; anemia; and intestinal parasites.