Complex sentence: Starla Grady (Jane McGregor) is the popular, Head Cheerleader and Pageant Queen of a Texas High School, and takes part in a Foreign Exchange with a French orphan, Genevieve Le Plouff (Piper Perabo).
Split into simpler sentences: Starla Grady (Jane McGregor) is the popular head cheerleader and Pageant Queen of a Texas high school. She hosts a French foreign exchange student, an orphan, Genevieve Le Plouff (Piper Perabo).