13 week course from Pace University through Open Education.
"Desktop GIS is designed for the new user of geographic information systems software, beginning with the very basics of mapping, using a ESRI Desktop GIS trial version. The course lasts for twelve weeks. The lessons are taught through screencasts showing the step-by-step processes. There are assignments every week, usually PDFs of completed maps. Badges are awarded at milestones in the course and a certificate can be earned by completing all assigned work."