Impact helps teenage students better understand themselves, each other, and the world they live in. By encouraging self-expression, global citizenship, and active participation, Impact motivates students to discover who they are and who they want to become while learning English. National Geographic Explorers serve as role models who embody the 21st-century skills and values teens need to become successful global citizens. Cross-curricular topics engage students with stimulating information about the world, better preparing them for future academic success. Student-choice activities and projects present opportunities for language practice, enabling teens to become active participants in the learning process.