The COVID-19 pandemic has been a seismic and ongoing disruption to K-12 schooling. Using test scores from 5.4 million U.S. students in Grades 3-8, we tracked changes in math and reading achievement across the first 2 years of the pandemic. Average math test scores in the fall of 2021 in Grades 3-8 were 0.20-0.27 standard deviation (SD) lower…

The schooling disruptions due to the COVID-19 pandemic continue to reverberate across the K-12 educational system more than a year after schools closed for in-person instruction. In this study, we examined the aftermath of these disruptions by modeling student achievement trends prior to and during the pandemic, with particular focus on growth in…

Kindergarten entry assessments (KEAs) are frequently used to understand students' early literacy skills. Amidst COVID-19, such assessments will be vital in understanding how the pandemic has affected early literacy, including how it has contributed to inequities in the educational system. However, the pandemic has also created challenges for…

As the COVID-19 pandemic upended the 2019-2020 school year, education systems scrambled to meet the needs of students and families with little available data on how school closures may impact learning. In this study, we produced a series of projections of COVID-19-related learning loss based on (a) estimates from absenteeism literature and (b)…