“Kenya’s public system is, fortunately, free from kindergarten until eighth grade,” explains Keesling, “but there aren’t enough teachers or facilities. In the school where I worked, the student-to-teacher ratio is about sixty-to-one, and the average for the region is about forty-five-to-one. At the end of the summer all I could think was, ‘what can I do for these kids, on a local level?’”