Build your followers in one or two social media.
Promote through there.
Upload quality works to showcase.
A decent offer and an effective solution - your sales will come.

The above is based on the assumptions that you have excellent language courses that can help many people at a very attractive price (provided your competitor is not offering zero cost).

Thus, before we promote the language courses, you need to perform a check on whether the timing, the target customers, the products/ services, minimum finance, etc.

Contact me any time and I can share with you a pre-launch checklist so that you can adjust yourself into the market.