Thanks.
The teacher has shown us the 後門 for
放學, the students need to walk a 'long' (for a 2 \ 3 years old kid) distance (part of it is opened, w\o cover) before they get into the school bus. I ...
It's the reason why the school does not recommend to take school/nanny bus for N1. BTW, don't worry. the aunt of the nanny bus will help to pick the big bagIf it is raining, students will wear the rain cloth.