 At twenty, she founded the first Latin American school cooperative, of which she was also the first president.She was also the head of many other cultural institutions; for instance, the Arts Society; and was the Education Undersecretary in the province of Buenos Aires and, later on, the Minority Secretary for the same state.Passadori published hundreds of articles in "El Argentino", "El Día", and "Revista del Suboficial"; gave conferences; and sponsored the "Ediciones del Bosque", an organization which promoted and published all of the intellectuals in Buenos Aires, including Raúl Amaral, María Dhialma Tiberti, María de Villarino, and others.