New in Shanghai and willing to learn Chinese

Hello everybody !!

I am new in Shanghai and I would like to learn Chinese in a specialized school, I don't know non of them could you help me find it ?
As I am a bit busy, I would like to have a flexible schedule, it would be better !!
I am not totally beginner but I can't hold a conversation !! damnit haha
I am waiting for tons of responses !! :p

Thank you everyone
Arthur !