When I was first in college (many many years ago) I was shocked to learn how few people had college degrees. Where I grew up, wealthy and Jewish area, everybody I socialized with went to college. My parents went to college. My grandparents went to college ( my grandmother got a degree in Chemistry in 1926). My grandfathers who were a dentist and a doctor went beyond college. My parents had post graduate degrees. All their friends were highly educated. My mom had some friends from her teaching days who weren’t White but they were teachers so they too had of course all gone to college and chose spouses who did too.
The first time is saw statistics like yours I was shocked. I hadn’t realized how narrow my experiences were.