Dartmouth Tuck comes out on top when it comes to sending MBA graduates (as a percentage of all graduates in 2014) into the consulting industry - 35% of its graduating class.
Columbia Business School is a very, very close second with 34.4% of its graduating MBA class entering the consulting industry.
Source Data - We compiled this ranking based on information taken directly from the following MBA employment reports.
Haas http://haas.berkeley.edu/groups/careercenter/reports/14-15ReportSummary.pdf
UCLA Anderson http://www.anderson.ucla.edu/Documents/areas/adm/cmc/2014%20PARKER%20CMC%20Employment%20Report%2002.10.15%20LR.pdf
Stanford GSB https://www.gsb.stanford.edu/sites/default/files/documents/Stanford%20GSB%20Employment%20Report%202013-14.pdf
MIT Sloan http://mitsloan.mit.edu/pdf/Class_of_2014-intern_employment_report.pdf
HBS http://www.hbs.edu/recruiting/mba/data-and-statistics/employment-statistics.html
Wharton http://www.wharton.upenn.edu/mba/your-career/career-statistics.cfm
Kellogg http://www.kellogg.northwestern.edu/career_employer/employment_statistics.aspx
Chicago Booth http://www.chicagobooth.edu/employmentreport/
Columbia https://www8.gsb.columbia.edu/recruiters/employmentreport
NYU Stern http://www.stern.nyu.edu/programs-admissions/full-time-mba/career/employment-statistics
Tuck http://www.tuck.dartmouth.edu/careers/employment-statistics
Yale SOM http://som.yale.edu/yale-som-connect/recruiting/employment-statistics
Michigan Ross http://michiganross.umich.edu/our-community/recruiters
Duke Fuqua http://www.fuqua.duke.edu/mba_recruiting/recruiting_duke/employment_statistics/
Cornell Johnson http://www.johnson.cornell.edu/Career-Management/Employment-Report-for-Two-Year-MBAs
UVA Darden http://www.darden.virginia.edu/recruiters-companies/hire-an-mba/employment-reports/