Gajderowicz, Tomasz; Jakubowski, Maciej; Kennedy, Alec; … - 2024
The COVID-19 pandemic caused widespread disruptions to education, with school closures affecting over one billion … systems, this study analyzes the impact of school closure duration on learning outcomes. Mixed-effect models estimate …, and linguistic minorities show effect sizes up to 0.22 SD. These findings highlight the lasting impact of school closures …