Only until March 7, 2018, students can apply for French government scholarships for studies in France, completing doctorate or monthly study stays.

Regarding the studies, the scholarship lasts up to 10 months and the scholarship holder receives about 770 Euro monthly. In addition, the scholarship covers registration costs (up to EUR 5,000), insurance costs and priority in booking dorms.

PhD scholarship covers the cost of three stays in France in three years, from one to a maximum of five months in each academic year. The maximum duration of the scholarship is 15 months. The scholarship holder will receive approx. EUR 1060 for each month of stay in France.
Scholarships for research stay are intended for Polish scientists under 45, hold a professor or doctoral degree, and plan to conduct a part of research in France. The study stay, up to 3 months, must take place between July 15 and December 31, 2018 and the scholarship holder will receive 1375 euro a month.
More:
https://www.institutfrancais.pl/pl/prezentacja