CARBONDALE - Adrienne Davis graduated from Carbondale's Roaring Fork High School in 1999. She is now a teacher at Edwards Elementary School where in a few years all the classes will be taught in both Spanish and English. Starting this fall, all kindergarten classes will be dual language. And as those classes move up, eventually the entire school will be bilingual. It is a solution that is working in Edwards, Davis said, where formerly about 80 percent of the kids in the elementary school were Hispanic. "It is definitely a positive thing," Davis said. "The kids are all playing together....