This study of informal education examines traditional tailors' apprenticeship training in Liberia. The purpose is to compare and contrast a form of informal education with formal schooling. An examination was made of a group of one hundred tailors having all combinations of tailoring experience, from none to thirty years, and schooling, from none to tenth grade. It was shown that both formal schooling and apprenticeship training predict performance in their own contexts. It was concluded that a major contrast between school and apprenticeship training is the role of testing in the organization of these different educational experiences. (Author/MC)