Jalen Marquis McDaniels was born in 1998 in Federal Way, Washington to Will and Angela McDaniels. He has a younger brother, Jaden, who earned McDonald's All-American and Jordan Brand Classic All-Star honors in 2019. McDaniels attended Federal Way High School and was part of a team that took the Class 4A state title in his junior year. As a senior, he led the team in points, rebounds, and blocks en route to a 29-0 record and a repeat as Class 4A champs. As a result, McDaniels was named to the USA Today and The News Tribune's All-State team as well being the All-City MVP. You can follow him on Instagram (@jalenmcdaniels).