In a communal goat stable, children sit under a mango tree, learning to read and write. In this narrow alleyway of Mogadishu, where three or four generations of Somalis share small homes behind high white walls and dark wooden doors, education is getting a second chance. After more than a decade of anarchy, only about one in six children of primary school age attends school, according to a U.N. survey released last week. Peace talks are under way, although the men with guns have failed to reach a power-sharing agreement. Meanwhile, parents, teachers and aid agencies have managed to piece together a private education system ranging from preschool to medical school.