EF EF is a world-renowned private English education institution, which mainly focuses on language learning, overseas travel and degree courses. EF EF education has turned the world into an English classroom. Innovative English learning system, complete integration of customized English teaching materials, qualified foreign trainers, modern English learning environment with convenient transportation in urban areas, and opportunities to travel abroad to learn English. In 2016, EF became the official language training provider for the Rio Olympic Games.