Longing to become a professional ballerina just like her older sister, Mia becomes jealous while on a class trip to the ballet during which her sister becomes so busy that she fails to notice Mia's own burgeoning dance skills. Interest Level: K-3 Reading Level: 1.5 ATOS Book Level: 1.4 AR Interest Level: LG AR Points: .5 AR Quiz: 167770EN Lexile Measure: 330.