Here are a few websites for you to fully enjoy your stay in Paris:
Time Out Paris Weekly program of events in Paris is available only in French, but you can use Google Translate :) This website also provides tips on what to visit in the Île-de-France region!
SortiraParis (in English)
For cheap tickets for theatre, dance, concerts etc. click here
Students and EU residents under 26 enjoy free entry to all national museums and monuments in France (including the Louvre, Musée d'Orsay, Musée de l'Orangerie, Centre Pompidou, and more). So, don't forget to bring your Strate student card when you visit!
List of festivals and concerts in Paris.
Films in English? Some cinemas in Paris offer films in the original language with subtitles in French, usually advertised as VO (Version Originale) on their websites. Do you love French films (who doesn't?) and would you like to see them with English subtitles? Check out the monthly program of Lost in Frenchlation ;) https://lostinfrenchlation.com/next-events
Do you want to meet more Erasmus students in Paris and start exploring France or neighboring countries on a budget? Here are a few websites: https://erasmusplace.com/region/paris/ or https://paris.esnfrance.org/en/ (this organisation also have a FB page where you can get in contact with other Erasmus students).
Last but not least, we recommande you to read the Student ABC by Campus France to prepare yourself and enjoy the French culture shock ;)