Electric forward Kaylen established himself as an important player for the under-21s last season and was on target six times, three of which were against Under-21s Division Two champions Derby County.
An England Under-18 international, Kaylen also travelled to the Under-17s World Cup in Chile in 2015. The forward was on target for the Three Lions against Guinea, and played three times in the group stages.
Despite graduating from Hale End as an out and out striker, Kaylen has adapted to a new role as a No.10 under Steve Gatting. He scored at Emirates Stadium in the FA Youth Cup quarter-final win over Liverpool last season.