Heartland Duel School (ハートランド・デュエル・スクール Hātorando Dyueru Sukūru) are Duel schools in Heartland City of the Xyz Dimension in the Yu-Gi-Oh! ARC-V anime. Their purpose is to train Pro Duelists. There are two known branches, the Clover Branch and the Spade Branch, which are said to be rivals.