Kammala jumla mai zuwa: Robinson-Earl ya taka leda a kungiyar kwando ta Amurka a karkashin 18 a 2018 FIBA Under-18 Americas Championship a Kanada. Ya taimaki tawagarsa ta lashe lambar zinare. A cikin
2019 FIBA Under-19 World Cup a Girka, Robinson-Earl yana da maki 12.7 da 6.3 a kowane wasa, yana taimaka wa tawagarsa ta lashe lambar zinare.