Northwestern University is a university in Evanston, Illinois, and Chicago, Illinois. It is very prestigious and selective. It has many people who learn and also people who teach.
The university is known most for providing a strong education in economics (the study of the economy), linguistics (the study of language), political science (the study of politics), and mathematics (the study of numbers). There is also a Medical school named Feinberg School of Medicine.
There is another university in Chicago, the University of Chicago.