Colleges with the Best Four-Year Graduation Rates

Pomona: 92%
Davidson: 90%
Georgetown: 90%
Notre Dame: 90%
Boston College: 89%
Bowdoin: 89%
Holy Cross: 89%
Hamilton: 89%
Kenyon: 89%
Princeton: 89%
UChicago: 89%

https://www.usnews.com/education/best-colleges/the-short-list-college/articles/2017-12-12/colleges-with-the-best-4-year-graduation-rates?int=highereducation-rec

As an observation, Jesuit schools seem notably well represented.