Well this is pretty cool, University of Wisconsin Stevens Point, is offering a number of courses for free (* non-credit) including a WordPress course with 90 days of free hosting courtesy of SiteGround.

This course will give you hands-on experience with this powerful website building tool. Throughout the course, you will build a WordPress site, while learning how to design pages, add engaging content, and customize your site’s look and feel. By course completion, you will be able to maintain a secure site that achieves high search engine rankings.