The George Mason University economics professor is not much impressed with what he sees: inflated grades for minimal learning. Read his piece here.
The combination of high grades and low learning is a good strategy for the success of educational institutions, however. High grades keep students and parents happy, thus increasing the inflow of revenue. The less students learn, the longer they will need to remain in the educational system, again helping to increase the inflow of revenue. Non-profits like to maximize their income just as much as for-profit entities do.