The National Center for Education Statistics (NCES) administered the NAEP long-term trend (LTT) reading and mathematics assessments to 13-year-old students from October to December of the 2022–23 school year. The average scores for 13-year-olds declined 4 points in reading and 9 points in mathematics compared to the previous assessment administered during the 2019–20 school year. Compared to a decade ago, the average scores declined 7 points in reading and 14 points in mathematics.