Although grade inflation affects all types of colleges, its influence varies by the type of institution, the academic field, and even by region, according to a recent article on college grading. The piece comes from Stuart Rojstaczer, a frequent critic and scholar of grade inflation, and his colleague Christopher Healy, and it includes the most recent data on the pervasiveness of grade inflation—such as the fact that A’s represent 43 percent of letter grades, on average, at a wide range of colleges. According to their analysis, “Private colleges and universities give, on average, significantly more A’s and B’s combined than public institutions with equal student selectivity. Southern schools grade more harshly than those in other regions, and science and engineering-focused schools grade more stringently than those emphasizing the liberal arts.”