My now-deceased mother earned her bachelors [UTSA] in her early-50's, and always commented how "few of my classmates attend office hours and even fewer seem to care about what we're learning."
Lady: they're just trying to survive while all these intoxicating chemicals [hormones, drugs, rage] pollute their very existences.
When I was in college I noticed one group who managed well above all the others. They where in their 30s.