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Thurston Domina, Deven Carlson, James S. Carter III, Matthew A. Lenard, Andrew McEachin, Rachel Perera.

Many public school diversity efforts rely on reassigning students from one school to another. While opponents of such efforts articulate concerns about the consequences of reassignments for students’ educational experiences, little evidence exists regarding these effects, particularly in contemporary policy contexts. Using an event study design, we leverage data from an innovative socioeconomic school desegregation plan to estimate the effects of reassignment on reassigned students’ achievement, attendance, and exposure to exclusionary discipline. Between 2000 and 2010, North Carolina’s Wake County Public School System (WCPSS) reassigned approximately 25 percent of students with the goal of creating socioeconomically diverse schools. Although WCPSS’s controlled school choice policy provided opportunities for reassigned students to opt out of their newly reassigned schools, our analysis indicates that reassigned students typically attended their newly reassigned schools. We find that reassignment modestly boosts reassigned students’ math achievement, reduces reassigned students’ rate of suspension, and has no offsetting negative consequences on other outcomes. Exploratory analyses suggest that the effects of reassignment do not meaningfully vary by student characteristics or school choice decisions. The results suggest that carefully designed school assignment policies can improve school diversity without imposing academic or disciplinary costs on reassigned students.

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Paul von Hippel.

In an effort to reduce viral transmission, many schools are planning to reduce class size if they have not reduced it already. Yet the effect of class size on transmission is unknown. To determine whether smaller classes reduce school absence, especially when community disease prevalence is high, we merge data from the Project STAR randomized class size trial with influenza and pneumonia data from the 122 Cities Mortality Reporting System on deaths from pneumonia and influenza.

Project STAR was a block-randomized trial that followed 10,816 Tennessee schoolchildren from kindergarten in 1985-86 through third grade in 1988-89. Children were assigned at random to small classes (13 to 17 students), regular-sized classes (22 to 26 students), and regular-sized class with a teacher’s aide.

Mixed effects regression showed that small classes reduced absence, but not necessarily by reducing infection. In particular, small classes reduced absence by 0.43 days/year (95% CI -0.06 to -0.80, p<0.05), but had no significant interaction with pneumonia and influenza mortality (95% CI -0.27 to +0.30, p>0.90). Small classes, by themselves, may not suffice to reduce the spread of viruses.

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Lindsey Rose Bullinger, Maithreyi Gopalan, Caitlin Lombardi.

Empirical evidence demonstrates that publicly funded adult health insurance through the Affordable Care Act (ACA) has had positive effects on low-income adults. We examine whether the ACA’s Medicaid expansions influenced child development and family functioning in low-income households. We use a difference-in-differences framework that exploits cross-state policy variation, and focus on children in low-income families from a nationally representative, longitudinal sample followed from kindergarten to fifth grade. The ACA Medicaid expansions improved children’s reading test scores by approximately 2 percent (0.04 SD). Potential mechanisms for these effects within families are more time spent reading at home, less parental help with homework, and eating dinner together. We find no effects for children’s math test scores or socioemotional skills.

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John Papay, Matthew A. Kraft, Jessalynn James.

Numerous high-profile efforts have sought to “turn around” low-performing schools. Evidence on the effectiveness of school turnarounds, however, is mixed, and research offers little guidance on which models are more likely to succeed. We present a mixed-methods case study of turnaround efforts led by the Blueprint Schools Network in three schools in Boston. Using a difference-in-differences framework, we find that Blueprint raised student achievement in ELA by at least a quarter of a standard deviation, with suggestive evidence of comparably large effects in math. We document qualitatively how differential impacts across the three Blueprint schools relate to contextual and implementation factors. In particular, Blueprint’s role as a turnaround partner (in two schools) versus school operator (in one school) shaped its ability to implement its model. As a partner, Blueprint provided expertise and guidance but had limited ability to fully implement its model. In its role as an operator, Blueprint had full authority to implement its turnaround model, but was also responsible for managing the day-to-day operations of the school, a role for which it had limited prior experience.

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Scott J. Peters, James S. Carter III.

A wide research base has documented the unequal access to and enrollment in K-12 gifted and talented services and other forms of advanced learning opportunities. This study extends that knowledge base by integrating multiple population-level datasets to better understand correlates of access to and enrollment in gifted and talented services, seventh-grade Algebra 1, and eighth-grade Geometry. Results show that states vary widely with some serving 20% of their students as gifted while others serve 0%. Similarly, within-district income segregation, income-related achievement gaps, and the percent of parents with a college degree are the dominant predictors of a school offering these opportunities and the size of the school population served.

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Susana Claro, Valentina Paredes, Verónica Cabezas, Gabriel Cruz.

Growing evidence shows that a student's growth mindset (the belief that intelligence is malleable) can benefit their academic achievement. However, due to limited information, little is known about how a teachers’ growth mindset affects their students’ academic achievement. In this paper, we study the impact of teacher growth mindset on academic achievement for a nationwide sample of 8th and 10th grade students in Chile in 2017. Using a student fixed effect model that exploits data from two subject teachers for each student, we find that being assigned to a teacher with a growth mindset increases standardized test scores by approximately 0.02 standard deviations, with larger effects on students with high GPAs and particularly on students in low socioeconomic schools.

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Fulya Y Ersoy.

How does the perceived relationship between effort and achievement affect effort? To answer this question, I conduct a field experiment with a popular online learning platform. I exogenously manipulate students’ beliefs about returns to effort by assigning them to different information treatments, each of which provides factual information. Students update their beliefs towards the information provided and change their study effort in the same direction with the shifts in their beliefs. This result shows that students’ beliefs about the returns to effort is an important component of their human capital accumulation and low-cost information interventions can influence these beliefs.

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Taylor Mattia.

Brown v. Board (1954) catalyzed a nationwide effort by the federal judiciary to desegregate public schools by court order, representing a major achievement for the U.S. civil rights movement. Four decades later, courts began dismissing schools from desegregation decrees in a staggered fashion, causing their racial homogeneity to rise. I leverage this exogenous source of variation in the racial mix of schools released from court orders between 1990 and 2014 to explore two key aspects of how whites react to attending schools with students of color. First, contemporaneous survey data indicate that as schools re-segregated, white students in these schools expressed more favorable attitudes towards black and Latino students. Second, present-day voter records from six Southern states of white students in schools that re-segregated show that they are significantly more likely to identify with the more racially liberal party -- the Democrats -- today. The findings are consistent with white students experiencing resegregation as a reduction in social threat, and indicate that school desegregation efforts may have caused life-long shifts among white students toward racial and political conservatism.

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Ethan Scherer, Christopher Cleveland, Rebecca Ivester.

A growing body of research shows that students benefit when they are demographically similar to their teachers. However, less is known about how matching affects social-emotional development. We investigate the effect of teacher-student race and gender matching for middle school students in six charter management organizations. Using a student fixed effects strategy exploiting changes over time in the proportion of demographic matching in a school-grade, we estimate matching’s effect on self-reports of interpersonal and intrapersonal social-emotional skills, test scores, and behavioral outcomes. We find improvements for Black and female students in interpersonal self-management and grit when they are matched to demographically similar teachers. We also find demographic matching leads to reductions in absences for Black students and improved math test scores for females. Our findings add to the emerging teacher diversity literature by showing its benefits for Black and female students during a critical stage of social-emotional development in their lives.

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Carly D. Robinson, Susanna Loeb.

Research consistently demonstrates that tutoring interventions have substantial positive effects on student learning. As a result, tutoring has emerged as a promising strategy for addressing COVID-related learning loss and affording greater educational opportunities for students living in poverty. The effectiveness of tutoring programs, however, varies greatly, and these variations may drive differential gains in student learning. Therefore, determining the program characteristics that do and do not drive positive student outcomes will be key to providing guidance for policymakers and practitioners who want to implement high-impact tutoring at scale. Our goal is to highlight the programs, characteristics, and conditions that evidence suggests make for effective tutoring and to create an evidence-based framework for delivering and evaluating tutoring interventions. In addition, we identify promising questions for future research.

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