Sure, she wears geeky-looking glasses and she tattles on her classmates. But, hey, snitching has its good side. Thanks to Rosie, Ronald Milligan has stopped blowing his nose in the water fountain. And now, Rosie is determined to do even more for her classmates -- by becoming president of the fourth grade

With the help of her two best (and only) friends, Rosie devises a brilliant campaign to defeat the two most popular kids in her class: soccer star Alan Allen and model-wannabe Summer Lynne Jones. But when despicable Alan steals Rosie's unbeatable campaign slogans, it's time to watch out Nosy Rosie is on the warpath