vicar, I should've clarified that not only am I from the States, but I am in the States now. I am job seeking from afar and found this website (which is pretty nice by the way). Anyway, my question was not in regards to the legitimacy of any particular schoo--although that would be the next question--but to the ads themselves, which some don't even have the name of the school on them!
Liumingke, yes, thank you. I'm a guy by the way. I wouldn't know a real Chinese school license from a fake one, hence the reliance on community assistance. I think this is a reasonable strategy, but I feel it might be a little touchy here.
Napoleon, my background is in I.T. and data security (paranoia) has been hammered into my conscience. But I don't know how things work there so that's why I'm asking (not that Internet scams are contained regionally). Correct me if I'm wrong but my guess for not putting one's school website info and contact number on these ads is because they are third party contractors?