Published Articles & Media
Blog
State and Local NAEP Declines Were More Universal Than Commonly Reported
(with a caution on the hazards of misinterpreting “statistical significance”)
Blog
States: Don’t Give Up on Measuring Student Growth for 2022 Accountability
States lacking valid baseline test data from 2021 could go back to 2019 for their baselines, measuring cumulative growth across three years.
Blog
Making Sure School Performance Measures Provide the Right Diagnosis to Improve Student Outcomes
"How are the students doing?" is a different question from "What does the school contribute?"
Blog
Using Transparency To Create Accountability When School Buildings Are Closed and Tests Are Canceled
The districts and schools most likely to succeed in remote education will be those that provide a substantial amount of synchronous instruction and live student–teacher interaction.
Blog
Charter Schools and Segregation: What the Research Says
When charter schools serving mostly minority students outperform nearby district schools that also serve mostly minority students, what does this tell us about charter schools and segregation?
Blog
The Effect of Charter Schools on Students in Traditional Public Schools: A Review of the Evidence
Eleven studies have examined whether charter schools will have positive or negative indirect effects on students in district public schools.
Research
Does Student Attrition Explain KIPP’s Success?
Evidence on which students leave KIPP middle schools and who replaces them
Blog
KIPP, Student Attrition, and Peer Effects: A Response to Richard Kahlenberg
Our study did address all three ways in which peer influences might make a difference in KIPP’s success, but reached its clearest conclusions about the effects of student attrition and replacement patterns.