Well I never went to Tianjin but it has a reputation for being one of the most polluted places. I think because before the olympics the goverment moved alot of the factories over to Tianjin so that Beijing is less polluted. I think it must be much worse than where I am in Nanjing anyhow. Also it gets cold up there in the winter so you won't live too comfortably as you would further south.

Ye I agree with everything said here about schools that teach 2-4 year old kids. Stay away from them! Your life will be hell! I know that King's English do that sort of thing all the time and word is they make you do demo classes all the time too with like 15 kids and their parents watching.