Career
Her parents were Francisco Carranza and Petronila Volío. In 1920, she went with Lyra and González to Europe to learn the Montessori education model so that it could be implemented in Costa Rica. From the early 1930s, Carranza was furthering her studies in the United States, and continued for almost a decade graduating with a doctorate in philosophy from the University of Wisconsin in 1940.
Her graduate thesis, El pueblo visto a través de los Episodios nacionales was published in Costa Rica in 1942.
After graduation, she began teaching at Saint Mary-of-the-Woods, Indiana.
