Headhunters ranked the top 30 business schools. Harvard isn\'t even in the top 20

stanford university graduation commencementJustin Sullivan/Getty Images

Harvard may boast one of the most famous business schools in the world, but not to recruiters.

The headhunters scored Ivy League university poorly on the Bloomberg Businessweek Best B-Schools ranking of full-time MBA programs.

Recruiters scored 30 leading business schools on a scale from 1 (lowest) to 5 (highest). They compared the schools on their ability to produce diverse and high-quality candidates, the creativity of their graduates, and how well their students are trained compared to peers from other schools.

They also assessed the value of each school's brand, its reputation for entrepreneurship, and how driven and entrepreneurial its students are.

We took the average score for each school across all six metrics to create an overall ranking of the top 30 business schools. Here they are:

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1. Stanford University

1. Stanford University

Average score: 4.27

Source: Bloomberg Businessweek Best B-Schools

2. Georgetown University (McDonough)

2. Georgetown University (McDonough)

Average score: 4.16

Source: Bloomberg Businessweek Best B-Schools

3. Yale University

3. Yale University

Average score: 4.10

Source: Bloomberg Businessweek Best B-Schools

4. Carnegie Mellon University (Tepper)

4. Carnegie Mellon University (Tepper)

Average score: 4.09

Source: Bloomberg Businessweek Best B-Schools

5. INSEAD

5. INSEAD

Average score: 4.08

Source: Bloomberg Businessweek Best B-Schools

6. University of California at Berkeley (Haas)

6. University of California at Berkeley (Haas)

Average score: 4.08

Source: Bloomberg Businessweek Best B-Schools

7. University of Washington (Foster)

7. University of Washington (Foster)

Average score: 4.07

Source: Bloomberg Businessweek Best B-Schools

8. IESE Business School

8. IESE Business School

Average score: 4.02

Source: Bloomberg Businessweek Best B-Schools

9. MIT (Sloan)

9. MIT (Sloan)

Average score: 4.00

Source: Bloomberg Businessweek Best B-Schools

10. Rice University (Jones)

10. Rice University (Jones)

Average score: 3.99

Source: Bloomberg Businessweek Best B-Schools

11. University of North Carolina (Kenan-Flagler)

11. University of North Carolina (Kenan-Flagler)

Average score: 3.93

Source: Bloomberg Businessweek Best B-Schools

12. Cornell University (Johnson)

12. Cornell University (Johnson)

Average score: 3.92

Source: Bloomberg Businessweek Best B-Schools

13. University of Chicago (Booth)

13. University of Chicago (Booth)

Average score: 3.92

Source: Bloomberg Businessweek Best B-Schools

14. Columbia University

14. Columbia University

Average score: 3.92

Source: Bloomberg Businessweek Best B-Schools

15. University of Texas at Austin (McCombs)

15. University of Texas at Austin (McCombs)

Average score: 3.92

Source: Bloomberg Businessweek Best B-Schools

16. IMD

16. IMD

Average score: 3.91

Source: Bloomberg Businessweek Best B-Schools

17. Brigham Young University (Marriott)

17. Brigham Young University (Marriott)

Average score: 3.88

Source: Bloomberg Businessweek Best B-Schools

18. University of Pennsylvania (Wharton)

 18. University of Pennsylvania (Wharton)

Average score: 3.86

Source: Bloomberg Businessweek Best B-Schools

19. University of Virginia (Darden)

19. University of Virginia (Darden)

Average score: 3.86

Source: Bloomberg Businessweek Best B-Schools

20. University of Southern California (Marshall)

20. University of Southern California (Marshall)

Average score: 3.85

Source: Bloomberg Businessweek Best B-Schools

21. Harvard University

21. Harvard University

Average score: 3.85

Source: Bloomberg Businessweek Best B-Schools

22. Duke University (Fuqua)

22. Duke University (Fuqua)

Average score: 3.85

Source: Bloomberg Businessweek Best B-Schools

23. Vanderbilt University (Owen)

23. Vanderbilt University (Owen)

Average score: 3.83

Source: Bloomberg Businessweek Best B-Schools

24. University of California, Los Angeles (Anderson)

24. University of California, Los Angeles (Anderson)

Average score: 3.83

Source: Bloomberg Businessweek Best B-Schools

25. Northwestern University (Kellogg)

25. Northwestern University (Kellogg)

Average score: 3.83

Source: Bloomberg Businessweek Best B-Schools

26. London Business School

26. London Business School

Average score: 3.77

Source: Bloomberg Businessweek Best B-Schools

27. New York University (Stern)

27. New York University (Stern)

Average score: 3.71

Source: Bloomberg Businessweek Best B-Schools

28. Emory University (Goizueta)

28. Emory University (Goizueta)

Average score: 3.68

Source: Bloomberg Businessweek Best B-Schools

29. University of Michigan (Ross)

29. University of Michigan (Ross)

Average score: 3.67

Source: Bloomberg Businessweek Best B-Schools

30. Dartmouth College (Tuck)

30. Dartmouth College (Tuck)

Average score: 3.63

Source: Bloomberg Businessweek Best B-Schools