Rafal, Hi my name is Blake I do not know right off hand of any great schools to study at but if you would like I think I know someone who can help. Her name is Mary K. Lang. She works for a company called Adventures in real Communication. Im not sure if she can helpbut here is her companys address Adventures in real communication 147 Bell street, Chagrin falls Ohio 44022. the web site for this company is
http://www.archomestay.com. I hope this works. Please e-mail me to let me know if it works. My e-mail is blake.knox@russia.com.