The following is a list of the schools that have qualified the most times to attend the National Debate Tournament.
The number immediately after the school name is the number of years that school has qualified one or more teams to attend the NDT.
1. University of Southern California 50 (of 55)
2. University of Kansas 49
3. Dartmouth College 48
4. Harvard University 47
5. Northwestern University 45
6. Augustana College (Illinois) 43
6. Baylor University 43
8. Georgetown University 41 of 54 (31)
9. Wake Forest University 40
10. University of Redlands 39
11. Wayne State University 37
12. George Washington University 36
13. University of Pittsburgh 34
14. University of Kentucky 32
15. Emory University 29 of 54 (20)