Focusing the process of institutionalization of sanitary education in the state of São Paulo (Brazil), this article tries to outline the career of sanitary educator Maria Antonieta de Castro. Her professional performance intertwines with the implementation of a new intervention model in public health, instituted by the Paula Souza Reform in 1925. Analyzing the insertion of this primary teacher in the field of public health, it intends to understand the constitution of a profession that became a women's career.
History of Education; Sanitary Education; Health; Maria Antonieta de Castro; Sanitary Educators