Ivy League 2019 "U.S. News & World Report" global university rankings, three Ivies rank in the top ten (Harvard – 1st, Columbia – 8th, and Princeton – 9th) and six in the top twenty. Undergraduate-focused Ivies such as Brown University and Dartmouth College rank 99th and 197th, respectively. "U.S. News" has named a member of the Ivy League as the best national university in each of the past 18 years ending with the 2018 rankings: Princeton eleven times, Harvard twice, and the two schools tied for first five times. Undergraduate enrollments range from about 4,000 to 14,000, making them larger than those
Ivy League to refer to the Ancient Eight plus several other schools for purposes of alumni associations, university affiliations, or endowment comparisons. In his book "Untangling the Ivy League", Zawel writes, "The inclusion of non–Ivy League schools under this term is commonplace for some schools and extremely rare for others. Among these other schools, Massachusetts Institute of Technology and Stanford University are almost always included. The University of Chicago and Duke University are often included as well." In their 2015 book "Acing Admissions", Mehta and Dixit write, "The ["Ivy Plus" schools] include, but are not limited to: Massachusetts Institute of Technology (MIT),