When I was in elementary school in the 70s if the weather turned bad enough in the winter or was getting really bad we would have an early release. I think there was a fire alarm horn that went off across the city indicating early release but otherwise it was just go home. Parents were not called (before robo calls) and not enough time plus just 1 school phone line to call all parents. At that time the school was grades 1-6 and no matter how young you just walked home. No one was concerned about someone being home to let you in. My mother had an in home day care so she was usually home but that wasn't the case for all.
At my school parents never picked kids up even in first grade. The school was considered a walkers school and everyone lived within 1/2 mile. I don't recall a single kid in my class of about 18 getting a ride on a daily basis. Also I had a friend a grade apart from me. If her mother ever came to the school for some event like a grade specific concert that ended before school would get out she was always allowed to bring me home early as well and it never counted as a dismissal.
At my school parents never picked kids up even in first grade. The school was considered a walkers school and everyone lived within 1/2 mile. I don't recall a single kid in my class of about 18 getting a ride on a daily basis. Also I had a friend a grade apart from me. If her mother ever came to the school for some event like a grade specific concert that ended before school would get out she was always allowed to bring me home early as well and it never counted as a dismissal.