Student Learning
Socioeconomic and Racial Discrepancies in Algebra Access, Teacher, and Learning Experiences: Findings from the American Mathematics Educator Study
In this study, we highlight the differences in classroom-, teacher-, and school-level factors in 8th and 9th grade algebra experiences along socioeconomic and racial/ethnic lines using nationally representative survey data from the American Mathematics Educator Study. Several takeaways emerge… more →
Skills and Earnings: A Multidimensional Perspective on Human Capital
The multitude of tasks performed in the labor market requires skills in many dimensions. Traditionally, human capital has been proxied primarily by educational attainment. However, an expanding body of literature highlights the importance of various skill dimensions for success in the labor… more →
Tutor CoPilot: A Human-AI Approach for Scaling Real-Time Expertise
Generative AI, particularly Large Language Models (LLMs), can expand access to expert guidance in domains like education, where such support is often limited. We introduce Tutor CoPilot, a Human-AI system that models expert thinking to assist tutors in real time. In a randomized controlled trial… more →
Falling Behind as Peers Age Up: The Effects of Peer Age on Student Cognitive and Non-Cognitive Outcomes
Understanding the factors that influence student outcomes is crucial for both parents and schools when designing effective educational strategies. This paper explores the impact of peer age on both cognitive and non-cognitive outcomes using a randomized sample of middle school students. By… more →
Understanding the Association Between Educational Experiences and Economic and Social Mobility: Evidence from the National Longitudinal Survey of Youth 1997
Using data from the National Longitudinal Study of Youth 1997, we examine differences in educational experiences and in social and economic mobility for youths experiencing poverty relative to their more affluent peers. We also explore the extent to which different educational experiences are… more →
Teaching Teachers to Use Computer Assisted Learning Effectively: Experimental and Quasi-Experimental Evidence
Mastery learning – the process by which students must demonstrate proficiency with a single topic before moving on – is well recognized as one of the best ways to learn, yet many teachers struggle or remain unsure about how to implement it into a classroom setting. This study leverages two field… more →
The Racial Gap in Friendships Among High-Achieving Students
High-achieving minority students have fewer friends than their majority counterparts. Exploring patterns of friendship formation in the Add Health data, we find strong racial homophily in friendship formations as well as strong achievement homophily within race. However, we find that achievement… more →
A Meta-Analysis of the Experimental Evidence Linking Mathematics and Science Professional Development Interventions to Teacher Knowledge, Classroom Instruction, and Student Achievement
Despite evidence that teacher professional development interventions in mathematics and science can increase student achievement, our understanding of the mechanisms by which this occurs – particularly how these interventions affect teachers themselves, and the extent to which teacherlevel… more →
The Effects of Public Pre-K for 3-year-olds on Early Elementary School Outcomes: Evidence from the DC Centralized Lottery
This study examines the effects of universal public pre-kindergarten for 3-year-olds (Pre-K3) on later public education outcomes, including enrollment, school mobility, special education status, and in-grade retention from kindergarten through second grade. While universal pre-kindergarten… more →
The Effects of Response to Intervention on Disability Identification and Achievement
Currently 15 percent of U.S. students receive special education services, a widespread intensive intervention with variable effects on students. Spurred by changes in federal policy, many states and districts have begun adopting the Response to Intervention (RTI) approach to identifying students… more →
Impact of States' Adoption of Response to Interventions (RTI) on the Identification and Placement of Students in Special Education
This study investigates the impact of states' adoption of Response to Interventions (RTI) on the identification and placement of students in special education. RTI, adopted by the reauthorization of the Individuals with Disabilities Education Act in 2004, is designed to improve the… more →
Asset-Based Implementation of Structured Adaptations in an Online Third-Grade Content Literacy Intervention
Scaling up evidence-based educational interventions presents challenges, particularly in adapting to new contexts while maintaining fidelity. Structured adaptations that integrate the strengths of experimental science (high fidelity) and improvement science (high adaptation) represent a novel… more →
Understanding Individualized Education Program (IEP) Goals at Scale
Students with disabilities represent 15% of U.S. public school students. Individualized Education Programs (IEPs) inform how students with disabilities experience education. Very little is known about the aspects of IEPs as they are historically paper-based forms. In this study, we develop a… more →
Democratic Policymaking in Schools: The Influence of Teacher Empowerment on Student Achievement
Despite the popularity of teacher leadership since the 1980s, little research examines its effects on student achievement. In this paper, I assess the influence of the New York City Department of Education’s Teacher Career Pathways program, a teacher leadership initiative, on student achievement… more →
Accelerating Opportunity: The Effects of Instructionally Supported Detracking
The pivotal role of Algebra in the educational trajectories of U.S. students continues to motivate controversial, high-profile policies focused on when students access the course, their classroom peers, and how the course is taught. This random-assignment partnership study examines an innovative… more →
Loss of Schooling from Tropical Cyclones: Evidence from 13 Low- and Middle-income Countries
Increasing educational attainment is one of the most important and effective tools for health and economic improvements. The extent to which extreme climate events disrupt education, resulting in fewer years of schooling and reduced educational attainment, remains under-studied. Children in low… more →
The Effect of Student-Tutor Ratios: Experimental Evidence from a Pilot Online Math Tutoring Program
Budget constraints and limited supplies of local tutors have caused many K-12 school districts to pivot from individual tutoring in-person toward small-group tutoring online to expand access to personalized instruction. We conduct a field experiment to explore the effect of increasing student-… more →
The Effects of Virtual Tutoring on Young Readers: Results from a Randomized Controlled Trial
In-person tutoring has been shown to improve academic achievement. Though less well-researched, virtual tutoring has also shown a positive effect on achievement but has only been studied in grade five or above. We present findings from the first randomized controlled trial of virtual tutoring… more →
The relationship between student attendance and achievement, pre- and post-COVID
We examine the relationship between absenteeism and achievement since the onset of COVID-19. Applying first-differences models to North Carolina administrative data, we estimate that each absence was associated with a 0.0032 standard deviation (SD) decline in math achievement in 2022-23. As… more →
The Prevalence and Policy Implications of Between-School Heterogeneity in Learning Outcomes: Evidence from Six Public Education Systems
While learning outcomes in low- and middle-income countries are generally at low levels, the degree to which students and schools more broadly within education systems lag behind grade-level proficiency can vary significantly. A substantial portion of existing literature advocates for aligning… more →