Online teaching is a complex professional practice. In addition to their content knowledge and pedagogical skill, online teachers must be qualified in methods of teaching the content online and have experience in online learning. This document examines some of the aspects of online teaching, specifically those related to communication and interaction. This examination draws guidance from the literature on quality online teaching, school policies regarding online teaching practices, and professional development programs for online teachers. An overview of policy and practice related to communication and interaction in teaching online is provided. Because each virtual school was established in unique educational climates and to address specific missions, the policies and practices vary widely around a central core of common practices. This document represents an initial description of policies and practices that were developed to inform schools about the range. (Lists 5 school resources.)