Francine Prose thinks that American High Schools do not teach literary works the way they should. (1) She says that the choice of books is not related to the teen's world of today. (2) She defends that teens can’t relate to the stories anymore because schools do not teach them the stories, instead, they focus on the author’s life or the background of the book. With that, (3) they leave amazing stories behind, stories which teens would love to hear and to learn about.
This means success is a verb and the related part of speech success is not a verb; in this case, success is a noun. Another test for verbs is to use the word in question in different verb tenses. If the sentence still makes sense, the word is a verb.