Alarming new data shows U.S. students continue to fall behind their peers in reading as the country's achievement gap widens, according to results from the latest globally recognized international exam. The 2025 Program for International Assessment, or PISA, found that 15-year-old U.S. students' reading scores fell 14 points from the last time the test was administered, in 2022. The assessment also found that the achievement gap among U.S. readers in the 90th percentile and the 10th percentile was the largest among any other country included in the report.