It's exam day at the Lycée Française Saint-Exupéry in Ouagadougou, the capital of Burkina Faso. Very close to the central market, a hub of commerce, bustle, and shouting, stands a wall with double barbed wire and little signage. From the outside, it doesn't look like a high school, but when you walk through the door, neither does it. There's very little activity and a lot of silence. In fact, it's Baccalaureate day. selectivity, an exam such as the selectivity that allows students to continue higher education and that puts an end to the stage of high school (equivalent to high school).