The company is known for its supplementary education programs for children and adults.

[2] JEI offers supplementary learning programs for home education, operating self-learning centers for children (JEI Learning Center) and establishes a general education network in various fields including publishing, broadcasting, IT, printing, distribution, culture and arts.

[3][4] In particular, the company has been supporting Si-nangsong(poetry recitation) for 27 years since 1991.

[5] Also, the JCC Art Center located in Hyehwa-dong, recognized as the only work of renowned Japanese architect Tadao Ando in downtown Seoul, is owned and operated by JEI.

[6] Outside of S. Korea, JEI's learning program is offered in U.S., Canada, China, Japan, Australia and New Zealand exporting its ‘JEI’ brand globally.