This publication provides an overall summary of the lessons learned during the implementation of the UNESCO SchoolNet project. It aims to to provide guidance for educators and others involved in initiating or managing national and international SchoolNets, particularly in Southeast Asia. Beginning with an overview of SchoolNets, what they are and why they are set up, this book then briefly describes the UNESCO SchoolNet project’s objectives and key outcomes. Next, a number of examples of existing SchoolNets are provided and the features of successful SchoolNets are identified. Following this, the main factors to be considered when initiating and managing a SchoolNet are examined; with each factor explained using examples drawn from the UNESCO SchoolNet project and existing SchoolNets. In the final chapter, the lessons-learned about initiating and managing SchoolNets are summarized.