can i apply for a stundent visa while i'm in china?

i am travelling in china with a tourist L type for 30 days. next month i will go to a kungfu school in eastern china and also learn chinese for 2 months, but don't have the visa yet. i have an invitationletter from my school. is it possible to apply for a student type within china while i'm here as a tourist?

thank you for the answer!