There is no accurate, concrete method of measuring academic achievement. It certainly cannot be done by issuing grades at certain intervals throughout the course of our formal education. This practice, it seems to me, has certain limited values, but its importance is greatly overemphasized by students, and even by instructors.
"How Important Are Grades?,"
Manuscripts: Vol. 13
, Article 26.
Available at: http://digitalcommons.butler.edu/manuscripts/vol13/iss3/26