Wait, you went to the same high school as your mother? That seems awfully... provincial. Unless you both went to the same private school or something. But I suppose you're old enough that if your mother had gone to a private school, it would have been an all girls school.
But that's not it, right? You've stayed in the same place for decades. That's actually kind of depressing. Perhaps I shouldn't be so critical of "cosmopolitanism"...
Dude, what would it matter if he did. It seems just an rather obnoxious point of pretense. How many generations were your ancestors/relatives in Ethiopia for? Sometimes people like where they grew up, consider it their home and are not keen to social climb to supposedly greener pastures.
