COVID-19 school closures in South Asia lasted longer than in any other region. To mitigate subsequent effects, governments and education actors in South Asia provided a range of remote learning modalities. This report presents evidence on the reach and effectiveness of these remote learning strategies through a meta-analysis of studies from the region. Large differences in students' access to connectivity and devices show that high-tech remote learning modalities did not reach all students. Lessons learned indicate that the effectiveness of one-way or low-tech modalities can be enhanced through increased engagement and support from educators. Teachers, parents and caregivers must be supported to help children learn remotely, especially in cases where they must rely on these low-tech remote learning modalities. Formative assessments are needed to understand the scale of lost learning and target responses to remediate this learning loss when schools reopen.