Having a French bank account will facilitate your day-to-day life. It is indeed requested
•for reimbursement of your medical expenses by French Social Security
•for housing subsidy payment made by CAF (French State entity that pays the subsidy)
•for buying a SIM card and so on.
For residence permit renewal, you will be requested to provide your bank statements in French.
Moreover, if you have a French bank account, your bank can also provide you with housing insurance which is mandatory when you rent an apartment in France.
You can fill in a bank account opening form with ESSEC bank partners in Cergy.