"We discuss science, we discuss thought, we discuss everything, " added Lin De-yuan, a 23-year-old first-year graduate student in Marxist studies at the Chinese Youth University of Political Sciences.

CNN: A conversation with China's young Communists

There are 2, 065 Chinese international students enrolled this year at Boston University, nearly a third of the total foreign-student population, university spokesman Colin Riley said.

WSJ: Chinese Pour Out Grief for Student