Washington (AFP) – American students saw big declines in their reading and mathematics scores after years of disrupted learning due to the pandemic, with national test results described as “appalling and unacceptable” by the education secretary. The National Assessment of Educational Progress (NAEP), also known as the Nation’s Report Card, released full data Monday for the first time since 2019, after the 2021 exams were postponed a year. NAEP assessed a representative sample of fourth- and eighth- grade students, finding reading scores dropped back to 1992 levels. Mathematics slid back to 200…