In 2020 and 2021, schooling, like many other aspects of life, has been heavily affected by the ongoing coronavirus pandemic. During periods of school closure, education systems and schools have often been quick to organise remote support for home-based learning. But several observers have questioned the effectiveness of these schooling surrogates,…

This paper quantifies the learning gain that accrues to 15-year-old students over one year of schooling in 18 countries and economies, where the cohort eligible to sit the OECD Programme for International Student Assessment (PISA)ISA test overlaps with two distinct school cohorts. School-entry regulations are used as an exogenous source of…