Ibrahim lived with his uncle in the woods in Mali, for a few days he attended Koran school. He arrived in France using his cousin's passport. Alpha comes from Liberia, he lived in the city and during the war his family was dispersed; he arrived in France with a false passport. Nawel lived in Algeria where his large family was forced to have him adopted and taken to France. All these children attended the same preparation class for learning French in a compulsory school in Paris taught by the teacher Pascale. This fast course (total immersion) is aimed at inserting them as soon as possible in normal primary school classes.