How would you promote a classroom course?

So I have a couple of classroom courses running over the next few months.

I price them at $1,500 per person and they do convert. Monthly searches are around 1,000 to 3,000 for the classroom courses but I am not ranking for the keywords.

How would I go about promoting the classrooms? I have a page dedicated to the course with links and dates for the courses/classes but I only promote via social media postings.

I need some way to improve the traffic to get the right people seeing the page to convert.

Would a parasite page work to rank? So ranking a parasite page so my main site isn't affected by link building?

Did you try paid trafic ? Affiliation ? Because if you convert well with a 1500$ payout, it could be interesting to buy some targeted trafic + retargeting.

Have you done any of the following actions?:

1. Proper keyword Research to find your money keywords
2. Keyword difficulty
3. Competition Analysis
4. On Page optimization
5. Off Page Optimization

The most important thing is to find your money keywords and then do all other actions described above.

Try to be specific about the campaign you are wishing to promote and choose best but simple keywords and always rely on blog and articles because when it comes to promote some thing the first thing which pop ups in the mind it to see the reviews and blog about the campaign.