This document outlines a course on using Wikis to facilitate collaborative learning in primary and secondary schools. The course consists of two sessions. The first session introduces Wikis, discusses the distinction between Wikis and other tools like Wikipedia and blogs, presents categories and application examples of Wikis, and covers the technical operation of Wikis and their practical use in project-based learning. The second session discusses success factors and good practices for using Wikis for collaborative learning, common tools for creating Wikis for learning and teaching, and the importance of information literacy when using Wikis for daily life and self-directed learning. It concludes with a presentation and feedback on selected student assignments.