The central midfielder has progressed through the Club's youth ranks over the past few years, first featuring the Under-18s in 2020/21, when he made four appearances in the U18 Premier League.
Playing a further 23 league games the following season, alongside a run to the quarter-finals of the FA Youth Cup, Cartwright soon made his breakthrough into the Development Squad, appearing in three matches.
Handed the responsibility of captaining City's Under-18s in 2022/23, the youngsters has also been heavily involved in the Under-21s' campaign in Premier League 2 Division 1 and the Papa Johns Trophy.