I need a partner to improve polish my English S skills

Ok, if you need language partners you can find them right here: https://www.italki.com/partners

If you need classes, you can book them right here: https://www.italki.com/teachers

If you really want to attract the attention, you should be active on this website.

You should participate in: discussions: https://www.italki.com/discussions

You should make questions and give answers (related to your native language):  https://www.italki.com/questions

You should write about something (whatever you want) in notebooks:  https://www.italki.com/notebooks

For more info, you can look into this:  http://support.italki.com/hc/en-us/categories/200405078-Community 

and this: http://support.italki.com/hc/en-us/categories/200405048-For-Students

If you have any questions more, free free to ask me. 

Have a nice day.