The document provides an overview of the US education system. It discusses that the system is typically divided into three levels - elementary, middle, and high school. It then covers several topics related to the US education system, including a brief history of how education became compulsory in the 19th century. It also discusses differences in educational attainment based on social class, gender, and race/ethnicity. Finally, it compares the US system to other OECD countries and finds that the US lags behind in measures like high school graduation rates and test scores in core subjects.