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January 24, 2025

Testing Theories of Why: Four Keys to Interpreting US Student Achievement Trends

Key Points Average US student assessment scores appear to tell a simple story: Performance rose through the 2000s, plateaued during the 2010s, and then declined sharply during the pandemic. But…

November 28, 2022

Public School Instructional Offerings and Enrollment Changes: Evidence from Two Years After the Pandemic

Key Points Enrollment numbers in the first two pandemic school years demonstrate that district instructional offerings influence families’ enrollment decisions and that these effects were more pronounced in the second…

August 10, 2022

A Failure to Respond: Public School Mask Mandates in the 2021–22 School Year

Key Points From September 2021 to late February 2022, school district mask mandates were in place for 61 percent of students in the US.During that period, Centers for Disease Control…