Learning loss varied considerably by school, with some schools seeing slides of 10 percentile points or more and others recording no losses or small gains¶

Claim · All claims
Evidence · 1 study · causal r2 · q2
Currency · newest study 2021 · not yet checked against its sources · not reviewed by a person · recheck by 2026: baselines and conditions change

Subclaims¶

q2 i? Estimated learning loss varied considerably across schools, with some schools seeing a learning slide of 10 percentile points or more and others recording no losses or even small gains. → Engzell P. 2021

Evidence¶

Engzell P. 2021¶

Engzell P., Frey A., Verhagen M. D. (2021). Learning loss due to school closures during the COVID-19 pandemic. Proceedings of the National Academy of Sciences of the United States of America. https://doi.org/10.1073/pnas.2022376118

q2 · i? · causal · r2

Supplementary heterogeneity analysis (SI Appendix, section 7.9) documenting school-level variation in estimated learning loss under the difference-in-differences design. The article reports "considerable variation by school, with some schools seeing a learning slide of 10 percentile points or more"; no distributional statistics are printed in the main text.

"we document considerable variation by school, with some schools seeing a learning slide of 10 percentile points or more and others recording no losses or even small gains."

Discussion¶

Related Claims¶

• Summer learning loss is common but not inevitable among K-12 students — a broader claim this one bears on
• The reality of summer learning loss is more complex than the long-standing gap-widening account — related
• Summer learning loss patterns are used to project the potential impact of COVID-19 school closures on student academic achievement — related
• COVID-19 school closures will likely impact student academic achievement — related
• Children from low-SES families were more negatively affected by COVID-19 school closures than children from high-SES families — related