How old is too old for toddler beds?

well lo g story short....he was almost 5 when I lost custody so he was in a toddler bed .....now he's 8 in March, 48 in tall n 50 lbs but Idk what my parents have had him in .

my mom kept kept in mine till I was almost 8 because I always tried to roll off the bed in my sleep.. so just do it and move them up when you se,dcomfortable with ig

when they can't fit in it