Your business your rules hon ~ i see nothing wrong with having a policy of 'Adult escorted school drop offs and pick ups are available when it is SAFE for the provider to do so ~ however please note that parents of school age children must have a back up plan in place to transport for times when it is deemed by the PROVIDER to be an unsafe (list some examples that are deal breakers).
Personally I feel so strongly about having CHOICE in my program of when and how things unfold with our routine that I chose not to even offer the school age service because of issues like this ~ I do not want to be forced outside in inclement weather or dealing with upset parents because their failed to PLAN for back up care as instructed!
Fortunately I do not HAVE to take my own children to school so there is no reason for me to have to go out on a day like today unless I CHOOSE to .... and yes I have some control issues about being told what to do by a third party which is why in an working scenerio I prefer to either be the boss or be my own boss ;)

