In Donovan Mitchell‘s high school narrative, there is a minor detail that is frequently overlooked, but it’s the kind of detail that most likely mattered more than anyone realized at the time. He wasn’t meant to be a child who only played basketball. The gym wasn’t even his first love for the majority of his early years. Mitchell’s father was a director of player relations for the New York Mets, and he spent his childhood exploring Major League Baseball locker rooms, admiring pitchers, and taping posters of David Wright to the wall of his bedroom. The family inherited baseball. The side gig that ultimately consumed everything was basketball.
After graduating from Greenwich Country Day, he enrolled at Canterbury School in New Milford, Connecticut. The typical New England prep trajectory: two sports, good grades. Then came the play that subtly changed his course in life. In his sophomore year, Mitchell ran after a pop-up in the infield and ran into a catcher. With a broken jaw, the catcher left. Mitchell left with a fractured wrist. It was the end of his baseball season. The AAU summer he had been looking forward to was also a success. Most teenagers absorb this kind of bad luck and move on without giving it much thought, but in this instance, it opened a window.
His mother, an African American and Panamanian teacher, made a choice that most likely appeared hostile to those around her. For his junior and senior years, she transferred him to Wolfeboro, New Hampshire’s Brewster Academy. Brewster didn’t hide its offerings. One of the nation’s most prestigious prep programs was the basketball program. Mitchell stopped dabbling when he went there. He was making a commitment. Looking back, it seems like the family knew more about the math than they disclosed. Two sports had become unfeasible. One had to prevail.

The way he handled the move is intriguing. Many students who transfer for athletic reasons keep their heads down and view the school as a starting point. Mitchell took the opposite action. His classmates elected him Senior Prefect by the end of his junior year, a position that is not typically filled by outsiders. He participated in the school musical. Through the Gold Key Club, he conducted admissions tours, guiding visiting families through academic buildings and residence halls. That pattern is difficult to ignore because it appears later as well. He tends to take center stage in any locker room he is placed in.
The basketball portion of those two years practically speaks for itself. In 2014 and 2015, Brewster won consecutive NEPSAC Class AAA and National Prep titles. He was named MVP of the competition and made the NEPSAC Class AAA First Team during his senior year. The hiring agencies began to take notice. In the 2015 class, he was ranked twenty-seventh by one and forty-third by another. Not a very good prospect. Not a well-known brand. But in retrospect, what makes the high school chapter so peculiar is the difference between those rankings and what came after.
Running streetball games at Rucker Park in Harlem, where reputations are made and lost quickly, was how I spent my summers back home. He made a dunk that ended up on SportsCenter during an Under Armour event on a Brooklyn court. He most likely benefited more from that clip than from any official ranking. Coaches began to circle. He was eventually acquired by Louisville.
It’s important to acknowledge how narrow the margins were, but you can draw a clear distinction between those Brewster years and everything that came after. The child who scored 71 points for the Cavaliers in 2023 may still be chasing fly balls in the minor leagues due to a different injury, a different school, or a mother who is less inclined to transfer him. From the outside, the high school years seem insignificant. Until they don’t, they nearly always do.
