She founded "The auxiliar society of Infancy", which donated a great part to the establishment of schools for abandoned children between the ages of 7 and 12.
She studied at a public school run by Cruz Andrade de Noel and graduated with the help of private French and music lessons.
This allowed her to travel to France and in Paris she devoted herself to reading, which later lead to her growing interest for social health care for children and their mothers.
During the civil war in Lima, she installed an ambulance in the Plazuela del Teatro, with 50 beds and attended 227 wounded people.
Since the funds gathered by the institution were not enough, Juana Alarco de Dammert organized charity events and work, in 1900, in order to reach the needed capital.