In 1960, roughly 15% of college course grades were A's. What is this figure today?
Roughly 43% of all college course grades are now A's. Concurrent with the rise of "A" grades, the average time spent by full-time college students on educational activities like attending class and studying dropped from roughly 40 hours per week in the 1960s to 27 hours per week in the 2000s.
DocumentationCollege Effort and Grades