Student coming to Paris for internship, looking for help with accommodations!

Writing on behalf of my sister.

She is coming to Paris starting Jan 1st, 2026 for a 4 month coop internship in Paris. She is in 2nd year of undergrad. We are having hard time with finding accommodations that are student friendly so she can also meet/make friends.

Would appreciate any advice where to look! I understand Cité Universitaire is booked in Sept and ECLA is not that great. Have been searching on google for a while and there are some co-living spaces but it seems those are not just students. Thank you in advance!