Yu-Gi-Oh Duel Monsters GX!

Ten years after the ceremonial duel, a kid named Judai Yuki recieves a card from the King of Games himself. Judai aspires to be the next king of games and takes the entrance exam to get into Duel Academia. After he gets in he starts to gain new friends, and new enemies.

This show is a spin-off of Yu-Gi-Oh Duel Monsters.

Related series:
Yu-Gi-Oh! (Japanese series based on Yu-Gi-Oh manga volumes one through seven)
Yu-Gi-Oh Duel Monsters (Japanese series based on Yu-Gi-Oh manga volume eight on)/Yu-Gi-Oh! (English version)
Yu-Gi-Oh! GX (English version of this show)
Yu-Gi-Oh Capsule Monsters (English spin-off of Yu-Gi-Oh!)