Liberty Christian Prep (Tavares, Fla.) junior Tacko Fall is America's tallest high school basketball player. At 7-foot-5, Fall stands 9 inches taller than LeBron James and just 3 inches shorter than 7-foot-8 D-Leaguer Paul Sturgess, the tallest professional basketball player alive.

IMG Academy's Olivier Rioux is 7’5” and at 15 years old he stands as the tallest teenager in the world, according to the Guinness World Records.

Olivier Rioux is the world's tallest teenager and the 7-foot-6 Canadian basketball player has landed at IMG to pursue an NBA career.

Rioux earned the honor as the world's tallest teenager in December 2020, being measured just a smidge over 7-foot-5 by Guinness World Records.

After making the Guinness Book of World Records in 2021, Olivier Rioux has once again taken the internet’s notice with some highlight footage from Brookwood Elite, a Canadian AAU team. At 17 years old, Rioux is 7-foot-6, according to his Instagram page (and 231 cm on his FIBA page, to be exact, which is closer to 7-foot-6.5).