This chapter presents the essential role of networks—intra- and inter-school and cross-stakeholder alliances—for effective, sustainable STEM education. The journalist’s principle of the Five W’s leave no stone unturned regarding networks: Who are the essential players? What are the roles and responsibilities? When do networks function well? Where are the boundaries and proximities that characterize effective STEM networks? Why is networking important? If a network can be envisioned as the orchestra bringing STEM dreams to life, then a community would be the audience. Teacher background information and references are included. This book selection also includes the Table of Contents, About This Book, Acknowledgments, Epilogue, and Index.