My girl also got accepted by TN and we are living in Shatin district. I have called the school bus company not long ago and the man said the pick up time would be around 7AM and drop off time is around 4:15-25. I think it is still acceptable. TN is one of our choices and we are still pending for the result of the government allotment in Jun.
I am in Kwai Chung, checked before, the pick up time also at 630, and not just downstairs of my estate, it needs to walk about 10 mins, i think this is not really a good arrangement as really 日晒雨淋
I asked the school bus as well. 7am pick up at Lai Chi Kok and subject to be changed when the route is finalized later. A little bit early since I think Lai Chi Kok is relatively near the school!