PREVIEW: School Year

A public high school in South Africa helps kids break out of poverty. Authorities want to build on its success. They've more than doubled the number of students. And that worries the principal. CLIP: "More and more of the learners that have not been prepared adequately. You know, they don't have the basics." A remarkable school in South Africa faces new challenges. We begin a year-long series... Wednesday on PRI's The World.