Kendal Shell grew up in St. Louis, Missouri. Shell grew up in a Christian household under the guidance of his two parents, Gloria and William. Shell began playing basketball when he was three years old and was taught the ropes by his two older brothers, William and Shaun.
Shell was an all-conference basketball and baseball player coming out of Webster Groves high school. He played basketball under the leadership of two-time state champion coach, Jay Blossom. Shell credits his passion and energy for the game to Blossom.