NEW: The Segregation Explorer 
We’re measuring educational opportunity in
every community in America.
We’re measuring educational opportunity in
every community in America.
The Educational Opportunity Project at Stanford University has built the first national database of academic performance. We create applications, research reports, and interactive articles to enable anyone to explore and understand our data.
The Educational Opportunity Project at Stanford University has built the first national database of academic performance. We create applications, research reports, and interactive articles to enable anyone to explore and understand our data.
The 2009-2019 Educational
Opportunity Explorer
View charts and maps that show scores on 3 key measures of educational opportunity; filter by demographics, explore opportunity gaps, export reports, and more.
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The 2019-2023 Education
Recovery Explorer
Compare learning loss in districts across the country and gain insights into how remote learning, federal funds, and other factors impacted students during the COVID-19 pandemic.
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The Segregation Explorer BETA
Use our interactive map to view school segregation between racial/ethnic and economic groups in states, counties, metropolitan areas, and school districts from 1991 to 2022.
go to the explorerResearch
Papers produced by (and using data from) the Stanford Education Data Archive.
The First Year of Pandemic Recovery: A District-Level Analysis
The distribution of child physicians and early academic achievement
Has the Opioid Crisis Affected Student Learning? A National Analysis of Growth Rates
Discoveries
Read our featured articles, illustrated with dynamic charts & graphics.
Learning vs Average Achievement for Native Students by County
Erin Fahle & sean f. reardon
Increasing School Segregation Widens White-Black Achievement Gaps
Kaylee T. Matheny, Marissa E. Thompson, Carrie Townley Flores, & sean f. reardon
Racial Socioeconomic Inequality Predicts Growing Racial Academic Inequality
Kaylee T. Matheny, Marissa E. Thompson, Carrie Townley Flores, & sean f. reardon
Learning vs Average Achievement for Native Students by County
Increasing School Segregation Widens White-Black Achievement Gaps
Racial Socioeconomic Inequality Predicts Growing Racial Academic Inequality
Affluent Schools Are Not Always the Best Schools
What Explains White-Black Differences in Average Test Scores
Download the Data
Download and access SEDA and related datasets to start your own research on educational opportunity.
ACCESS THE DATAIn the News
January 31, 2024
Students Are Making a ‘Surprising’ Rebound From Pandemic Closures. But Some May Never Catch Up.
“Elementary and middle-school students have made up significant ground since pandemic school closings in 2020 — but they are nowhere close to being fully caught up, according to the first detailed national study of how much U.S. students are recovering."
January 31, 2024
U.S. students are starting to catch up in school—unless they're from a poor area
“Elementary and middle-school students have made up significant ground since pandemic school closings in 2020 — but they are nowhere close to being fully caught up, according to the first detailed national study of how much U.S. students are recovering."
February 1, 2024
Many students have still not regained pandemic-era losses in reading, math: Report
"Overall, students managed to recover about one-third of the original loss in math and one-quarter of the loss in reading. While these gains are historic, students are still not where they should be, the researchers found."
February 2, 2024
Learning Recovery Efforts Worked. New Data Show Why States Must Not Let Up
"Student test scores are on a path to recovery nearly four years after the pandemic wreaked havoc on K-12 academics, extensive new data analyzed and released by a group of education researchers this week indicate."
February 1, 2024
Recovery in math, reading scores is underway — but slowly
"The deep academic regression American students suffered during the coronavirus pandemic has at last turned a corner, new data show, as scores in reading and math stopped falling last year and began to gain ground."
January 31, 2024
Student achievement scores have gone up but remain below pre-pandemic levels
Video interview with Sean Reardon
