Here is the narrative:
U.S. teenagers made no significant gains on an exam taken by students around the world, and continue to trail students in Asian countries. The exam, called the Program for International Student Assessment, or PISA.
“The scores are flat. We’re struggling in math in comparison to our peers around the world,” said Peggy G. Carr, the associate commissioner of assessments for the National Center for Education Statistics. “We’re sliding with regard to our most struggling readers.”Here are the graphs: