Without a valid student visa issued BEFORE you leave, you will be refused boarding or entry at the border. You must apply for the visa from your home country, not once you have arrived.
Page officielle France-Visas sur le visa long séjour. Identifie le type qui te concerne (VLS-TS étudiant si ton séjour est ≤ 12 mois) puis lance l'assistant visa pour connaître les pièces à fournir.
Open the official site ↗Préfecto guides you through every international-student procedure in France: personalised checklist, deadline reminders, document folder. Free.
Create my free accountFor information only. Always verify on the official site before completing a procedure.