Funny how snowflake generation does not like snow ! I can remember winter of 1962 / 3 as well, and our school never closed, In fact I only remember our school closing a couple of times when heating boiler broke down (not that it ever worked very well anyway, it was powered by coke - like a lot of city bankers).
It was not so bad if schools closed in my day because mums generally used to stay at home, now if a school closes it can be a major logistical nightmare when both parents work and last minute child car plans have to be made.
Boys used to have PE lessons outside no matter what the weather (the girls used to be kept inside), I can remember playing football in shorts and plimsolls on frozen playground with a frozen leather caseball, and boy it didn't half hurt when it hit you legs - you had no chance of undoing your laces for at least 20 to 30 minutes after going inside because you generally had fingers that felt as though they were made of plastic until they thawed out.