IT is early morning in Kaluku Bodo Elementary School. Students go back and forth to their classes and the yard, taking turns sweeping, taking out garbage, making sure their class and their yard looks crisp and clean. Some of them walk to a nearby well to fill a water reservoir for washing their hands. The water reservoir itself is a labor of love: Made from a used 20-liter paint bucket, students and teachers decorated and painted it yellow, and i