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Special Education Substantially Improves Learning: Evidence from Three States

Special education serves more than one in seven U.S. students, yet its causal impact remains understudied. In this paper, we estimate the effect of individualized supports with an event-study design that tracks achievement around initial classification. The research shows students’ scores decline prior to placement and rise sharply afterward. Overall, individualized supports substantially increase learning productivity.

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Early Returns: Reversing Enrollment Declines in Massachusetts Community Colleges through MassReconnect

Analysis of Massachusetts MassReconnect free community college program. Evaluates enrollment impact, student demographics, financial aid distribution, and persistence rates for free tuition initiative targeting adults 25+. Policy brief for states considering free college programs.

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Declining Community College Enrollment & Labor Market Strength

Declining U.S. college enrollments have triggered questions about the health of the postsecondary sector. This project examines national data collected through the Department of Education's Institute for Education Sciences to better understand shifts in the sector and help situate trends within the context of broader economic and labor market context.

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Deconstructing the EL Gap

Across U.S. schools, students classified as English learners (ELs) tend to achieve lower educational outcomes than their non-EL peers. What explains these differences? Are they a product of ELs’ developing English language proficiency and/or the services they receive at school, or do other factors play a role? The authors of this study attempt to deconstruct the “EL gap” in Massachusetts by examining the extent to which differences in outcomes between ELs and non-ELs can be attributed to factors that are unrelated to a student’s English proficiency or receipt of EL services.

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The Effect of Retention Under Mississippi’s Test-Based Promotion Policy

Study conducted by Boston University's Wheelock Educational Policy Center evaluating the impact of Mississippi’s test-based promotion policy - requiring students to demonstrate reading proficiency before moving on to the third grade. Results suggest positive results, particularly strong in reading, into the 6th grade for those who were retained.

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Enrollment Flexibility and Charter School Impacts: The Effect of Backfill on Students in Massachusetts Charter Middle Schools

This study leverages Massachusetts’s adoption of a statewide requirement for charter schools to backfill vacancies within some grades to provide the first causal estimates for the effect of incorporating new students on the performance of incumbent charter school pupils. Using data from the universe of Massachusetts public school students enrolled in Grades 5 through 8 from 2007-2008 to 2013-2014, this study compares changes in student achievement in impacted vs. not-impacted grades within Boston charter schools to the patterns of student achievement within traditional public schools and charter schools outside of Boston.

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