Are you smarter than an Eighth Grader? Stacker uses real questions from a national eighth grade assessment test to find out.

These are “sharp, steep declines,” said Peggy Carr, the commissioner of the National Center for Education Statistics, which manages TIMSS in the United States, in a call with reporters on Tuesday.

2022 results from the Program for International Student Assessment show that American 15-year-olds earned lower math scores ... 25 sample questions from real NAEP eighth grade tests across a ...