Gajderowicz, Tomasz; Jakubowski, Maciej; Patrinos, … - 2022
students in Poland is estimated. The COVID-19-induced school closures lasted 26 weeks in Poland, one of Europe's longest …The effect of school closures in the spring of 2020 on the math, science, and reading skills of secondary school … periods of shutdown. Comparison of the learning outcomes with pre- and post-COVID-19 samples shows that the learning loss was …