Public school teachers in Brazil often work at more than one school in order to cobble together a full-time pay check.
Most public school students in Brazil are in class for about four hours each day. In an effort to get more kids studying full-days, cities like Rio are rushing to build more schools.
Primary school quality in the world's No. 7 economy ranks below impoverished Haiti. But galvanizing Brazilians to boost education for all is no easy task.