You must apply for this visa at the French consulate in your country of origin or residence using the website https://france-visas.gouv.fr/en_US/web/france-visas/ai-je-besoin-d-un-visa.
You will need to provide proof of pre-registration that indicates that you will be taking French classes.
The administrative procedures can be summarised in 3 steps:
- Registration at our school
- France Visa process
- Granting of visa