Edit: This answer depends on whether one is European or Indian - for an Indian Sanskrit is easy as it is in the blood and in the same way for an European, German or French or even Spanish. read more
But, my advice is to keep in touch with French even after school and use learning platforms such as Duolingo (Learn Spanish, French, German, Portuguese, Italian and English for free) or the Michel Thomas method (Learn to Speak French with The Michel Thomas Method) to do so. read more