Mercy Womeh attends the J Chauncey Goodridge school in Monrovia, Liberia's capital. She pays her school fees by crushing rocks, earning 35 Liberian dollars ($0.47) for each bucket. Three years ago, her family moved from the countryside to the Monrovia suburb of Gbawe Town to find work. But in a country with 85% unemployment, crushing rocks was the only option.