In the United States, education is offered at all levels from prekindergarten to graduate school. Elementary and secondary education involves twelve years of schooling the successful completion of which leads to a high school diploma. A distinct feature of the American educational system is its decentralized organization. Elementary and secondary education is financially supported by three levels of government - local, state, and federal. Furthermore, it is divided into public and private institutions. The main disadvantage of the decentralization is the quality of education recei…