A graphic released with the 2012 PISA results shows the annualized change in performance in average math scores between 2003 and 2012. The chart includes only nations that have comparable data from both 2003 and 2012.
Originally published on Tue December 3, 2013 12:13 pm
American 15-year-olds continue to turn in flat results in a test that measures students' proficiency in reading, math and science worldwide, failing to crack the global top 20.
The Program for International Student Assessment, or PISA, collects test results from 65 countries for its rankings, which come out every three years. The latest results, from 2012, show that U.S. students ranked below average in math among the world's most-developed countries. They were close to average in science and reading.