Academy manager John Brake’s young side were defeated by Georgia and Germany but managed to beat Russia.
This follows England’s qualifying tournament success last weekend, which saw them book Great Britain’s place at the Olympic Sevens tournament in Tokyo next year.
In the women’s event in Kharkiv, England lost all three of their games.
They finished bottom of Pool B as they were beaten 17-5 by Belgium and then thumped 31-0 by the Netherlands.
Their day ended with a 34-7 loss to Russia as coach James Bailey also named an inexperienced side after they too won their Olympic qualifying tournament last weekend.
In Lodz, England began their Pool C campaign with a 21-12 defeat to Georgia, before beating Russia 24-17 and losing 28-12 to Germany.