Isaiah Stewart II was born May 22, 2001in Rochester, New York and grew up playing soccer and boxing. His father, Dela, is a native of Jamaica who eventually moved to New York where he met Isaiah's mother, Shameka Holloway. In the fifth grade, Isaiah focused on basketball and was roughly six feet tall at age 12. Stewart initially attended McQuaid Jesuit High School in Brighton, New York for his first two years of high school. He then transferred to La Lumiere School in La Porte, Indiana. In his senior year, Stewart led La Lumiere to a 30-1 record and won the Naismith Prep Player of the Year and Mr. Basketball USA awards. He was also a member of the USA U-17 team that won a gold medal at the 2018 U-17 FIBA World Cup. For college, Stewart chose the University of Washington, where he earned All-Pac-12 First Team honors during his one season at Washington. Stewart wears the number 33 jersey to honor Jamaican NBA star Patrick Ewing. Fans can follow the 6-foot-9 big man on Twitter @Dreamville_33.