What is the importance of Dames Augustines Anglaises Convent in the novel, The Dream Lover?

This English-run boarding school for girls is located in a Paris convent. Aurore is sent to live and study there as a teenager when her grandmother becomes sick of her rebellious nature. While at the convent, Aurore believes she receives God's calling to be a nun, but Madame Alicia tells her to wait to see if her feeling lasts. Later she returns to the convent to contemplate life when she and Casimir are having marital problems.