National Geographic

Students at the Santo Domingo Savio school in Acacías, Colombia, participate in a weeklong sex educationand teen pregnancy prevention program called ¿Bebé? ¡Piénsalo Bien!—or Baby? Think It Over! Above: MartinReina, 14, Danna Álvarez, 13, and Andrés Felipe Rondón, 13, awkwardly learn how to use condoms. Below: JuliánDavid Velázquez, 13, cradles a robotic baby during class. Students spend 48 hours with their babies.