Sister of President Domingo Faustino Sarmiento. She was along her parents the first teacher of Sarmiento. In San Felipe de los Andes (Chile) she founded, along with her sisters a school was called "San Juan and Santa María" but the Chileans knew as "the college of Sarmiento's sisters". Back in San Juan, was the director of Central College for Girls and was also founder and president of the Charitable Society. She was born and died in San Juan.