In May 2017, Sancho was part of the England Under-17 side that reached the final of the UEFA European Under-17 Championship, he was named player of the tournament for his performances.[19] In September 2017, Sancho was named in England's squad for the 2017 FIFA U-17 World Cup but the player's new German club resisted the call up.[20] The two sides eventually reached an agreement where he would be available for the group stages of the competition but his participation was not guaranteed if England progressed to the knock out rounds.[21] On 8 October 2017, he scored twice in England U17's first match, against Chile U17.[22] On 16 October, the eve of England's round of 16 tie against Japan, he was withdrawn from the competition by Borussia Dortmund.[23]