What is the rising action of the book, Princess in the Spotlight?

Mia's journal begins as she is preparing one morning for school and learns that her unwed mother is pregnant. Mia spends the rest of the day wondering how her mother and algebra teacher could have been so careless, and thinking about things she needs to encourage her mother to do, and not do, now that she is pregnant. Meanwhile, Mia is faced with a television interview with Beverly Bellerieve, of the television show Twenty-Four/Seven. In this interview, Mia accidentally tells that her mother is expecting. She also talks openly about her high school, causing issues for more than one person.