The document provides information about the education system of the United States of America. It discusses the background of the country and outlines the typical structure of education with levels including primary/elementary education, secondary education, undergraduate education, and postgraduate education. It also discusses teacher education, examinations and grades, curriculum, and the types of universities including private and state. The top 5 universities are also ranked, with Stanford University, MIT, Caltech, Harvard University, and Princeton University at the top.