In what ways does Cisneros's juxtaposition of home life and school life make for an effective rhetorical strategy

In the short story Eleven by Sandra Cisneros, the author conveyed the protagonist’s home life and school life simultaneously which emphasized the contrast of both aspects. This story is portrays a comparison of childhood and maturity. By this, the reader also feels the confusion that Sylvia is thinking. The author’s juxtaposition made the reader feel the intensity of what Sylvia underwent and is considered an effective rhetorical strategy.