Valley is the closest hall to business school, about 10mins walking.
GH and Heights is far away from your school, about 25mins walking.

GH, one or two person have one room with bathroom. The room is bigger in GH.
Valley, three room in a flat.

Valley is not too windy, but the view is better, nearby the Yun Nan Garden and pool.

GH and Height near the bus stop 199.
Valley near the bus stop 179.