Most teachers know how to use computers, but are trying to find effective ways to differentiate instruction by using technology. In particular, high-ability learners need activities that challenge them in classrooms. A comprehensive review of how three countries developed and integrated technologies to differentiate instruction are presented in this session: the Virtual Savannah in U.K., the statewide e-learning of the state of Maine in the U.S., and the digital textbook in South Korea. These examples provide educational insights for the future and a rationale to explain why we need more funding to differentiate instruction.