The United States spends more per student on education than any other country.[14] In 2014, the Pearson/Economist Intelligence Unit rated US education as 14th best in the world. The Programme for International Student Assessment coordinated by the OECD currently ranks the overall knowledge and skills of American 15-year-olds as 31st in the world in reading literacy, mathematics, and science with the average American student scoring 487.7, compared with the OECD average of 493.