As a citizen of Poland you can take advantage of free education in western european countries. For example Scotland has free studies and in English. Non English speaking countries offer it too:
telegraph.co.uk/education/universityeducation/9447458/Study-abroad-Where-to-study-in-Europe...-in-English.html
I want to study Polish studies or perhaps French, is Polish studies a useful degree in Poland?
What do you mean Polish studies? Studies in Poland or you want to study Polish language?