One must have at least a PhD to become a professor, and 19-year-old PhDs aren't that uncommon. What is rare is that someone had already become a professor and now returns to the countryside to farm.
Felicia Frost even searched online for the youngest professors and found many prodigies in their 20s, which was quite a blow.
But the youngest professor at Hadton currently is a 27-year-old PhD supervisor.
As for Ellen Young—
Even if she were just teaching regular college students at Hadton, she's still ridiculously young.
Felicia Frost looked Lucy Wood over, from left to right, somewhat incredulously, "I've been with you for so many years, and I never noticed."
Lucy Wood glared at her, "What do you mean by that? After all, I graduated from Yaford University, which shows our family's genes aren't bad—correct!"