Service learning continues to be an evolving but exciting field in academia. The learning engages students in civic practices that empower community non-profit organizations in real solutions. More than half of higher level institutions in the United States have service learning in their curricula. In this tutorial, instructors of a major institution in the northeast demonstrate diverse practices of service learning in interdisciplinary courses of computer science curricula. The courses, and especially the projects in the courses, are helping community organizations on novel solutions which are taking immediate advantage of 21st century technologies, including those of the Web. This tutorial is an introduction to best of class pedagogy in community engagement and computer science at one of the pioneers in service learning that is cited frequently in practitioner and scholarly media.