All depends on what you want to do, Wix have a similar school example in this Wix YouTube video for user form creation
Corvid by Wix | How to Create a Custom Form and Connect It to a Database
You can use repeaters with a show more option that can display your courses and let the students click on the one that interests them and read further.
https://support.wix.com/en/article/about-repeaters
https://support.wix.com/en/article/adding-and-setting-up-repeaters-lists-grids