Tianjin University, Tongji University. Stony Brook University refers to the State University of New York at Stony Brook, which is the flagship university of the State University of new york. It has the reputation of "public ivy" and enjoys a high academic reputation in American universities. It is one of the excellent teaching institutions in the United States. Xi Shi University ranks 359th among QS world universities, which is equivalent to national key universities such as Tianjin University and Tongji University.