The player, Isaac Moore, made his debut for Liverpool's U18 team at the age of 15 and has also captained England's U16 team.
Academy Director Steve Harper said Moore joins Newcastle with a strong background and a level of maturity beyond his years.
Harper praised Moore's leadership qualities and expressed excitement about helping him develop as a player and a person.
He noted that Moore's driven nature and commitment to his craft fit well with the values of Newcastle's academy.
Harper also highlighted the importance of Newcastle's recruitment team in identifying and signing talented players like Moore.
