That school is the University of Chicago and it did finish ahead of both Harvard and Yale.
Princeton is number one followed by Williams College in Massachusetts and Stanford.
The University of Chicago is fourth.
The magazine said the schools were rated on quality of teaching, career prospects high graduation rates and low-levels of debt.
Three other Illinois schools are in the top 100.
Northwestern University is No. 22, the University of Illinois at Champaign-Urbana is 89 and Wheaton College is ranked at 99.