Carter George was born in Thunder Bay, Ontario, Canada.
George played youth hockey for the Thunder Bay Kings of the Greater Toronto Hockey League (GTHL) for the 2020-2021 and 2021-2022 seasons. He was selected in the third round, 53rd overall, by the Owen Sound Attack in the 2022 Ontario Hockey League (OHL) Priority Selection.
In his first full season, George served as Owen Sound's starting goaltender. He was selected as one of the 40 draft eligible prospects to play in the 2024 CHL/NHL Top Prospects Game.
George finished the regular season with a 23-21-9 record and a .907 save percentage. He stopped a league high 1,744 shots.