This document discusses factors that influence 21st century teaching and learning. It describes the ASSURE model, which supports the National Education Technology Plan by helping teachers strategically plan technology-integrated lessons and assess student learning. It outlines characteristics of 21st century teachers, including technological competence, information literacy, and commitment to technology-focused professional development. It also discusses how 21st century learning environments expand into global classrooms using technology for inclusion, connecting schools and homes, and offering online education options. Finally, it mentions that government and organizational grants are available to support 21st century learning through technology.