Testing the School‐to‐Prison Pipeline

The School‐to‐Prison Pipeline is a social phenomenon where students become formally involved with the criminal justice system as a result of school policies that use law enforcement, rather than discipline, to address behavioral problems. A potentially important part of the School‐to‐Prison Pipeline is the use of sworn School Resource Officers (SROs), but there is little research on the causal effect of hiring these officers on school crime or arrests. Using credibly exogenous variation in the use of SROs generated by federal hiring grants specifically to place law enforcement in schools, I find evidence that law enforcement agencies learn about more crimes in schools upon receipt of a grant, and are more likely to make arrests for those crimes. This primarily affects children under the age of 15. However, I also find evidence that SROs increase school safety, and help law enforcement agencies make arrests for drug crimes occurring on and off school grounds.     

Patrolling Public Schools: The Impact of Funding for School Police on Student Discipline and Long‐term Education Outcomes

As police officers have become increasingly common in U.S. public schools, their role in school discipline has often expanded. While there is growing public debate about the consequences of police presence in schools, there is scant evidence of the impact of police on student discipline and academic outcomes. This paper provides the first quasi‐experimental estimate of funding for school police on student outcomes, leveraging variation in federal Community Oriented Policing Services (COPS) grants. Exploiting detailed data on over 2.5 million students in Texas, I find that federal grants for police in schools increase middle school discipline rates by 6 percent. The rise in discipline is driven by sanctions for low‐level offenses or school code of conduct violations. Further, I find that Black students experience the largest increases in discipline. I also find that exposure to a three‐year federal grant for school police is associated with a 2.5 percent decrease in high school graduation rates and a 4 percent decrease in college enrollment rates.     

The impact of the Texas top ten percent law on college enrollment: A regression discontinuity approach

We use regression discontinuity methods on a representative survey of Texas high school seniors to discern the impact on flagship‐enrollment behavior of the Texas top 10 percent law, which guarantees admission to any Texas public university to students who graduate in the top decile of their class. By comparing students at and immediately below the cut‐point for automatic admission, we find that the top 10 percent law affects flagship enrollment of Hispanic students eligible for the admission guarantee, as well as rank‐eligible graduates from high schools where minority students predominate and from high schools with the state average share of economically disadvantaged students. Our findings are robust to various model specifications and different bandwidth choices using local linear estimation. © 2010 by the Association for Public Policy Analysis and Management.     

Who Benefits from Accountability-Driven School Closure? Evidence from New York City

We estimate the effects of accountability-driven school closure in New York City on students who attended middle schools that were closed at the time of closure and students who would have likely attended a closed middle school had it remained open. We find that students who would have entered the closed school had it not closed attended schools that perform better on standardized exams and have higher value-added measures than did the closed schools. While we find that closure did not have any measurable effect on the average student in this group, we do find that high-performing students in this group attended higher-performing schools and experienced economically-meaningful and statistically-significant improvements in their 6th-, 7th-, and 8th-grade math test scores. We find that these benefits persisted for several cohorts after closure. We also find that closure adversely affected students, low-performing students in particular, who were attending schools that closed. For policymakers, our results highlight a key trade-off of closing a low-performing school: future cohorts of relatively high-performing students may benefit from closure while low-performing students in schools designated for closure are adversely affected.     

浅析警察院校学生社会化问题及对策研究

随着现代社会的不断发展以及现代科技的不断进步,其对警务从业人员的社会化水平有了更高的要求和挑战。但由于警察院校在学生性别结构,学科、专业及课程设置,管理模式及办学传统等方面不利于其学生社会化的顺利进行。因此,各警察院校必须从课程建设、实践教学以及课外活动等层面着手,不断提升警察院校学生的社会化水平。     

Breaking Habits: The Effect of the French Vending Machine Ban on School Snacking and Sugar Intakes

This paper estimates the effect of the 2005 vending machine ban in French secondary schools on nutrient intakes and on the frequency of morning snacking at school. Using data before and after the ban, and exploiting the discontinuity associated with the age‐dependent exposure to the ban, we specify a difference‐in‐differences regression discontinuity design. Since the relationship between age‐at‐interview and school level is not precise, we introduce fuzziness in the model. We find that the ban has generated a 10‐gram reduction in sugar intakes from morning snacks at school, and a significant reduction in the frequency of these morning snacks. However, we find no evidence that the intervention affects total daily intakes, and our results are suggestive of compensation effects.     

School choice,racial segregation,and test‐score gaps: Evidence from North Carolina's charter school program*

Using panel data that track individual students from year to year, we examine the effects of charter schools in North Carolina on racial segregation and black‐white test score gaps. We find that North Carolina's system of charter schools has increased the racial isolation of both black and white students, and has widened the achievement gap. Moreover, the relatively large negative effects of charter schools on the achievement of black students is driven by students who transfer into charter schools that are more racially isolated than the schools they have left. Our analysis of charter school choices suggests that asymmetric preferences of black and white charter school students (and their families) for schools of different racial compositions help to explain why there are so few racially balanced charter schools. © 2006 by the Association for Public Policy Analysis and Management.     

论青年民警良好成长环境的营造

铁路公安转制招录国考生后,青年民警数量增多,渐成队伍建设生力军,具有文化素质高、思想活跃、思维方式多元、价值取向多样、追求创新、可塑性强等特点,但同时还存在着各种各样的问题。必须充分结合青年民警的优势、实际需求和公安工作需要,以可期愿景吸引人、以公平机制激励人、以深情关爱感动人、以良好环境留住人,帮助青年民警坚定信念,踏实工作,不断成长,建功立业。     

Let Them Eat Lunch: The Impact of Universal Free Meals on Student Performance

This paper investigates the impact of extending free school lunch to all students, regardless of income, on academic performance in New York City middle schools. Using a difference-in-differences design and unique longitudinal, student-level data, we derive credibly causal estimates of the impacts of “Universal Free Meals” (UFM) on test scores in English Language Arts (ELA) and mathematics, and participation in school lunch. We find UFM increases academic performance by as much as 0.083 standard deviations in math and 0.059 in ELA for non-poor students, with smaller, statistically significant effects of 0.032 and 0.027 standard deviations in math and ELA for poor students. Further, UFM increases participation in school lunch by roughly 11.0 percentage points for non-poor students and 5.4 percentage points for poor students. We then investigate the academic effects of school lunch participation per se, using UFM as an instrumental variable. Results indicate that increases in school lunch participation improve academic performance for both poor and non-poor students; an additional lunch every two weeks increases test scores by roughly 0.08 standard deviations in math and 0.07 standard deviations in ELA. Finally, we explore potential unintended consequences for student weight outcomes, finding no evidence that UFM increases the probability that students are obese or overweight. We also find no evidence of increases in average body mass index (BMI). Instead, we find some evidence that participation in school lunch improves weight outcomes for non-poor students. Results are robust to an array of alternative specifications and assumptions about the sample.     

Forcible Stops: Police and Citizens Speak Out

A recent federal district court decision found that the New York City Police Department engaged in unconstitutional policing. Officers stopped millions of minority young men over the span of several years. Most of those stopped were innocent of any wrongdoing. This article uses qualitative and quantitative research methods to investigate these inequities, examining the views of both the police and those who were stopped. The authors find that pressure on officers emanating from headquarters was responsible for much of the illegal behavior by lower‐level officers. Additionally, youth in minority neighborhoods felt mistreated by the police; this led to distrust in the police. The authors suggest solutions to ameliorate this painful episode in police practice. The article concludes with specific recommendations such as reducing management pressure on officers and police developing community partnerships.     

Why Underachievers Dominate Secret Police Organizations: Evidence from Autocratic Argentina

Autocrats depend on a capable secret police. Anecdotal evidence, however, often characterizes agents as surprisingly mediocre in skill and intellect. To explain this puzzle, this article focuses on the career incentives underachieving individuals face in the regular security apparatus. Low-performing officials in hierarchical organizations have little chance of being promoted or filling lucrative positions. To salvage their careers, these officials are willing to undertake burdensome secret police work. Using data on all 4,287 officers who served in autocratic Argentina (1975–83), we study biographic differences between secret police agents and the entire recruitment pool. We find that low-achieving officers were stuck within the regime hierarchy, threatened with discharge, and thus more likely to join the secret police for future benefits. The study demonstrates how state bureaucracies breed mundane career concerns that produce willing enforcers and cement violent regimes. This has implications for the understanding of autocratic consolidation and democratic breakdown.     

Charter High Schools’ Effects on Long‐Term Attainment and Earnings

Since their inception in 1992, the number of charter schools has grown to more than 6,800 nationally, serving nearly three million students. Various studies have examined charter schools’ impacts on test scores, and a few have begun to examine longer‐term outcomes including graduation and college attendance. This paper is the first to estimate charter schools’ effects on earnings in adulthood, alongside effects on educational attainment. Using data from Florida, we first confirm previous research (Booker et al., 2011 ) that students attending charter high schools are more likely to graduate from high school and enroll in college. We then examine two longer‐term outcomes not previously studied in research on charter schools—college persistence and earnings. We find that students attending charter high schools are more likely to persist in college, and that in their mid‐20s they experience higher earnings.     

Do White Law Enforcement Officers Target Minority Suspects?

The debate over possible bias in the use of deadly force has recently been exacerbated by highly publicized killings of African American males around the country. While much research has been conducted examining police behavior, little has been done to investigate the impact of race on police behavior. This article aims to answer this question: are white police officers more likely to use lethal force on minority suspects or people of a specific race? To answer this question, the authors construct a data set of all confirmed uses of lethal force by police officers in the United States in 2014 and 2015. They find that although minority suspects are disproportionately killed by police, white officers appear to be no more likely to use lethal force against minorities than nonwhite officers.     

The effect of attending full‐day kindergarten on English learner students

A significant and growing English learner (EL) population attends public schools in the United States. Evidence suggests they are at a disadvantage when entering school and their achievement lags behind non‐EL students. Some educators have promoted full‐day kindergarten programs as especially helpful for EL students. We take advantage of the large EL population and variation in full‐day kindergarten implementation in the Los Angeles Unified School District to examine the impact of full‐day kindergarten on academic achievement, retention, and English language fluency using difference‐in‐differences models. We do not find signficant effects of full‐day kindergarten on most academic outcomes and English fluency through second grade. However, we find that EL students attending full‐day kindergarten were 5 percentage points less likely to be retained before second grade and there are differential effects for several outcomes by student and school characteristics. © 2011 by the Association for Public Policy Analysis and Management.     

Why Don't Housing Choice Voucher Recipients Live Near Better Schools? Insights from Big Data

Housing choice vouchers provide low‐income households with additional income to spend on rental housing in the private market. The assistance vouchers provide is substantial, offering the potential to dramatically expand the neighborhoods—and associated public schools—that low‐income households can reach. However, existing research on the program suggests that housing choice voucher holders live in neighborhoods with schools that are no better than those accessible to other households with similar incomes. Households, in other words, do not seem to spend the additional income provided by the voucher to access better schools. In this analysis we rely on a large‐scale administrative data set to explore why voucher households typically do not live near to better schools, as measured by school‐level proficiency rates. We combine confidential administrative data from the Department of Housing and Urban Development on 1.4 million housing choice voucher holders in 15 states, with school‐level data from 5,841 different school districts, to examine why the average housing voucher holder does not live near to higher‐performing schools than otherwise similar households without vouchers. Specifically, we use the large‐scale administrative data set to test whether voucher holders living in areas with good schools nearby and slack housing markets move toward better schools when schools become salient for them—that is, when their oldest child becomes school eligible. We take advantage of the thick sample of households with young children provided through our administrative data to implement both a household fixed effects and a regression discontinuity design. Together these analyses shed light on whether voucher households are more likely to move toward better schools when schools are most relevant, and how market conditions shape that response. We find that families with vouchers are more likely to move toward a better school in the year before their oldest child meets the eligibility cutoff for kindergarten, suggesting salience matters. Further, the magnitude of the effect is larger in metropolitan areas with a relatively high share of affordable rental units located near high‐performing schools and in neighborhoods in close proximity to higher‐performing schools. Results suggest that, if given the appropriate information and opportunities, more voucher families would move to better schools when their children reach school age.     

The Impact of Providing Vision Screening and Free Eyeglasses on Academic Outcomes: Evidence from a Randomized Trial in Title I Elementary Schools in Florida

More than 20 percent of all school‐aged children in the United States have vision problems, and low‐income and minority children are disproportionately likely to have unmet vision care needs. Vision screening is common in U.S. schools, but it remains an open question whether screening alone is sufficient to improve student outcomes. We implemented a multi‐armed randomized controlled trial (RCT) to evaluate the impact of vision screening, and of vision screening accompanied by eye exams and eyeglasses, provided by a non‐profit organization to Title I elementary schools in three large central Florida school districts. We find that providing additional/enhanced screening alone is generally insufficient to improve student achievement in math and reading. In contrast, providing screening along with free eye exams and free eyeglasses to students with vision problems improved student achievement as measured by standardized test scores. We find, averaging over all students (including those without vision problems), that this more comprehensive intervention increased the probability of passing the Florida Comprehensive Achievement Tests (FCATs) in reading and math by approximately 2.0 percentage points. We also present evidence that indicates that this impact fades out over time, indicating that follow‐up actions after the intervention may be necessary to sustain these estimated achievement gains.     

Improving the Implementation and Effectiveness of Out‐of‐School‐Time Tutoring

School districts are spending millions on tutoring outside regular school day hours for economically and academically disadvantaged students in need of extra academic assistance. Under No Child Left Behind (NCLB), parents of children in persistently low‐performing schools were allowed to choose their child's tutoring provider, and together with school districts, they were also primarily responsible for holding providers in the private market accountable for performance. We present results from a multisite, mixed‐method longitudinal study of the impact of out‐of‐school time (OST) tutoring on student reading and mathematics achievement that link provider attributes and policy and program administration variables to tutoring program effectiveness. We find that many students are not getting enough hours of high‐quality, differentiated instruction to produce significant gains in their learning, in part because of high hourly rates charged by providers for tutoring. We identify strategies and policy levers that school districts can use to improve OST tutoring policy design and launch improved programs as waivers from NCLB are granted.     

Status versus growth: The distributional effects of school accountability policies

Although the federal No Child Left Behind program judges the effectiveness of schools based on their students' achievement status, many policy analysts argue that schools should be measured, instead, by their students' achievement growth. Using a 10‐year student‐level panel data set from North Carolina, we examine how school‐specific pressure associated with status and growth approaches to school accountability affect student achievement at different points in the prior‐year achievement distribution. Achievement gains for students below the proficiency cut point emerge in schools failing either type of accountability standard, with the effects clearer for math than for reading. In contrast to prior research highlighting the possibility of educational triage, we find little or no evidence that failing schools in North Carolina ignore the students far below proficiency under either approach. Importantly, we find that the status, but not the growth, approach reduces the reading achievement of higher performing students. Our analysis suggests that the distributional effects of accountability pressure depend not only on the type of pressure for which schools are held accountable (status or growth), but also the tested subject. © 2010 by the Association for Public Policy Analysis and Management.     

College Guidance for All: A Randomized Experiment in Pre‐College Advising

Pre‐college advising programs exist in most disadvantaged high schools throughout the United States. These programs supplement traditional advising by high school guidance counselors and attempt to help underrepresented and disadvantaged students overcome the complexities of the postsecondary admission and financial aid processes. Existing evidence on these programs often uses within‐school randomization where spillovers and alternative supports may confound estimates. We provide the first evidence on a whole school intervention resulting from a school‐level randomized controlled trial in the United States. The college access program we study uses a near‐peer model where a recent college graduate works at the school assisting students in the application and enrollment process. Pooled results across the first three years of program implementation find no significant impacts on overall college enrollment. However, subgroup analyses reveal positive, significant effects among the groups most targeted by the intervention: Hispanic and low‐income students. Most of the impact comes through increasing two‐year college enrollment, but this appears to be new entrants rather than inducing students to move from four‐year to two‐year colleges. The observed positive effects for these subgroups attenuate over time. We attribute this drop in the estimated impact to departures in fidelity of the experiment. Even among the cohorts for which we find positive enrollment impacts, we find no significant impacts on college persistence.     

Weighted student funding in the Netherlands: A model for the U.S.?

Although a relatively new idea in the U.S., weighted student funding (WSF) for individual schools has a long history in the Netherlands. This country of about 16.5 million people has been using a version of WSF for all its primary schools (serving children from age 4 to 12) for 25 years. In this article we describe and evaluate the Dutch system and explore what insights there might be for the U.S., taking into account the very different cultural and normative contexts of the two countries. We find that, compared to those with few weighted students, Dutch schools with high proportions of weighted students have almost 60 percent more teachers per pupil as well as more support staff per teacher. Even these large resource advantages, however, are not sufficient by themselves to eliminate all quality shortfalls in the high‐weight schools, where quality is measured by school policies and practices. We conclude that weighted student funding for schools within districts in the U.S. is not likely to deliver the same highly progressive funding patterns as in the Netherlands because of the complex, multilayered U.S. education system and the absence of a political consensus in favor of generous weights. © 2011 by the Association for Public Policy Analysis and Management.