Microsoft Copilot generated the following — not surprising — response:
“Law School with the Most Supreme Court Alumni
Harvard Law School has produced the most U.S. Supreme Court justices, with 19 alumni who have served on the Court judicialshop.com.
Historical record
According to data compiled from the Federal Judicial Center, Harvard Law School leads all U.S. law schools in the number of Supreme Court justices it has graduated judicialshop.com. That total of 19 includes current Chief Justice John Roberts, Justices Elena Kagan, Neil Gorsuch, and Ketanji Brown Jackson, as well as recently retired Justice Stephen Breyer
LegalKnowledgeBase.com.
Yale Law School is the second most prominent, with 10 justices, including Samuel Alito, Sonia Sotomayor, Brett Kavanaugh, and Clarence Thomas LegalKnowledgeBase.com+1. Columbia Law School ranks third, with notable alumni such as the late Justice Ruth Bader Ginsburg
judicialshop.com+1.
Current Court composition
As of 2025, every sitting justice has a law degree from one of the top three schools — Harvard, Yale, or Columbia lawshun.com. The current Court’s breakdown is:
- Harvard Law School: 4 justices (Roberts, Kagan, Gorsuch, Jackson)
- Yale Law School: 4 justices (Alito, Sotomayor, Kavanaugh, Thomas)
- Notre Dame Law School: 1 justice (Barrett)
lawshun.com
Why Harvard leads
Harvard’s long history, rigorous curriculum, and strong alumni network have made it a preferred path for many future justices. Since 1980, Harvard and Yale graduates have accounted for over 80% of confirmed justices LegalKnowledgeBase.com.
In short: If you’re looking for the law school with the most Supreme Court alumni, Harvard Law School holds the top spot with 19 justices, followed by Yale (10) and Columbia (several) judicialshop.com+1.”
