UPDATE: This is a corrected version (4/27): Mr. Hurt informed me that 300 judges were missing from the initial sample. The results do not change much.

What follows is a list of the top 30 law schools with the most alumni on the federal bench (either federal district courts or the courts of appeals). Thanks to Christian Hurt for this informative data (the complete data is here:Download file)

1. Harvard University (120)
2. Yale University (63)
3. University of Texas, Austin (43)
4. University of Virginia (40)
5. University of Michigan (37)
6. Georgetown University (32)
7. Columbia University (29)
8. University of Florida (24)
9. Stanford University (23)
10. University of California, Berkeley (20)
11. University of Pennsylvania (18)
12. Louisiana State University (17)
12. Temple University (17)
12. Tulane University (17)
15. New York University (16)
15. University of Alabama (16)
15. University of Arizona (16)
15. University of Georgia (16)
19. George Washington University (15)
19. Howard University (15)
19. Northwestern University (15)
19. University of Oklahoma (15)
19. University of South Carolina (15)
19. Vanderbilt University (15)
25. University of Chicago (14)
25. University of Minnesota (14)
25. University of Mississippi (14)
28. Cornell University (13)
28. Emory University (13)
28. University of California, Los Angeles (13)
28. University of Southern California (13)