To help offset declines in state funding, many U.S. public universities are billing their graduate students for thousands of dollars of university fees. The charges, many of them new or recently increased, frequently come as a shock to master’s and Ph.D. students in science, technology, engineering, and math fields who expect their years of training to be financially feasible because they do not pay tuition and receive modest stipends for their research and teaching work.
https://www.sciencemag.org/careers/2019/08/hefty-university-fees-are-sending-some-grad-students-food-banks