Learning sites have been widely popular due to the need for people to upskill. A lot of learning sites have popped up catering to different learning needs. For those who want to put up an educational site, you would need to have a blog that allows you to have multiple add-ins that would be helpful for your readers. Here are a couple of WordPress themes you could use in your elearning site.
https://blogherald.com/wordpress/10-elearning-wordpress-themes/