Tarena International, Inc., through its subsidiaries, provides professional education services through full-time and part-time classes under the Tarena brand in the People's Republic of China. It operates through two segments, Adult Professional Education and Childhood & Adolescent Quality Education Services. The company offers education courses in 7 information technology (IT) subjects, such as Java, software testing, Linux and network engineering, Big Data, Web front-end development, Python, and network engineer courses; and 3 non-IT subjects, including digital art, online sales and marketing, and visual effects-VFX, as well as live distance instruction, classroom-based tutoring, and online learning modules. It also provides 9 childhood and adolescent quality education programs, including robotics programming, graphical intelligent programming, NOI informatics Olympiad, Python artificial intelligence, high level hardware programming for secondary school, soft and hard programming enlightenment, creative programming starter, and SPIKE starter and advanced under the TongchengTongmei brand. In addition, the company offers online learning platform for education courses and job placement training courses. As of December 31, 2021, it had a network of 100 directly managed learning centers in 44 cities; and 238 TongchengTongmei standalone learning centers in 54 cities. The company was founded in 2002 and is headquartered in Beijing, the People's Republic of China.