Significant grade inflation may be occurring in graduate education, according to decades' worth of data

Analysis of two decades of student data at a large U.S. university suggests that grade inflation exists in graduate education. Researcher Vivien Lee and colleagues at the University of Minnesota, U.S., present these findings in the journal PLOS One.

source https://phys.org/news/2026-03-significant-grade-inflation-decades-worth.html