the historical rankings of the top mba programs show little variation, even over a long time period. in 1977, "mba magazine" surveyed business schools deans to come up with a ranking which listed the wharton school, harvard business school, stanford graduate school of business, the booth school of business, and the mit sloan school of management as their top 5. these schools plus the kellogg school of management have always comprised the top 5 schools in every u.s. news & world report ranking. with the addition of columbia business school, these seven schools which are most frequently listed at the top of various rankings (and are the top seven worldwide in the business insider ranking) have been referred to as "america's seven most powerful schools".