White was born in Parker, Colorado, to Colleen and Richard White in 1994. He has an older sister, Brianna. White attended Legend High School in Parker. He stood under six feet until his senior year and was lightly recruited as a basketball player. By the time he enrolled in college, he had sprouted to his current height of 6-foot-4. White played on the varsity basketball team at Legend during each of his four years there. As a senior, he posted per-game averages of 17.1 points, 3.8 rebounds, 3.1 assists and 2.1 steals. White has taken part in multiple charitable events since reaching the NBA. In 2019, he joined Spurs teammates for the annual Champions Against Hunger Dinner in conjunction with the San Antonio Food Bank. Learn more about White by following him on Twitter (@Dwhite921) and Instagram (@dwhite921).