Thomas S. Dee
Accelerating Opportunity: The Effects of Instructionally Supported Detracking
Topics: Student LearningThe 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 →
The Achievement Effects of Scaling Early Literacy Reforms
Topics: Student LearningWhile policymakers have demonstrated considerable enthusiasm for “science of reading” initiatives, the evidence on the impact of related reforms when implemented at scale is limited. In this pre-registered, quasi-experimental study, we examine California’s recent initiative to improve early… more →
Ahead of the Game? Course-Taking Patterns under a Math Pathways Reform
A controversial, equity-focused mathematics reform in the San Francisco Unified School District (SFUSD) featured delaying Algebra I until ninth grade for all students. This descriptive study examines student-level longitudinal data on mathematics course-taking across successive cohorts of SFUSD… more →
The Revealed Preferences for School Reopening: Evidence from Public-School Disenrollment
Topics: Families and CommunitiesBefore the 2020-21 school year, educators, policymakers, and parents confronted the stark and uncertain trade-offs implied by the health, educational, and economic consequences of offering instruction remotely, in person, or through a hybrid of the two. Most public schools in the U.S. chose… more →
The Dynamic Effects of a Summer Learning Program on Behavioral Engagement in School
The evidence that student learning declines sharply (or stagnates) during the summer has motivated a substantial interest in programs that provide intensive academic instruction during the summer. However, the existing literature suggests that such programs, which typically focus on just one or… more →
The Effects of Educational Supports for the "Missing One-Offs" in Vocational High Schools
A growing body of evidence suggests that vocationally focused programs of study substantially improve high-school completion and longer-run economic success. However, the corresponding recommendations to expand vocational programs may have unintended, negative consequences for low-income,… more →
Public-Sector Leadership and Venture Philanthropy: The Case of Broad Superintendents
Major philanthropic initiatives that incorporate features of venture-capital practices have become increasingly prominent, particularly in K-12 public education. In this study, we provide empirical evidence on the reach, character, and impact of the Broad Superintendents Academy, a prominent and… more →
Is Effective Teacher Evaluation Sustainable? Evidence from DCPS
Topics: Teacher and Leader DevelopmentTen years ago, many policymakers viewed the reform of teacher evaluation as a highly promising mechanism to improve teacher effectiveness and student achievement. Recently, that enthusiasm has dimmed as the available evidence suggests the subsequent reforms had a mixed record of implementation… more →
My Brother’s Keeper? The Impact of Targeted Educational Supports
Topics: Student LearningTags: Race, ethnicity, and education, Culturally responsive schooling, Social and emotional learningThe My Brother’s Keeper (MBK) Challenge developed by President Obama supports communities that promote civic initiatives designed to improve the educational and economic opportunities specifically for young men of color. In Oakland, California, the MBK educational initiative features the African… more →