You are...
Quebecer
If you have a RAMQ card, you are exempt from registering for French health insurance, as your Quebec insurance covers you while in France.
European
If you come from an EU country and are covered by your national health insurance, your health insurance in France will be provided by your country of origin via the European Health Insurance Card, which you must apply for before arriving in France.
non-European
If you come from a non-European country, you must register for French social security when you arrive in France via the Ameli website dedicated to international students in order to obtain free coverage.