| 1980 | Osaka Umeda School opened |
| 1981 | Established as Nichibei Eigo Gakuin, Inc. |
| 1985 | Business English conversation training for corporate clients started |
| 1989 | Tokyo branch office opened |
| 1990 | Hyogo Sannomiya School opened |
| 1991 | Kyoto Shijo School opened |
| 1992 | Administration Office (Osaka) opened |
| 1995 | Osaka Namba School opened |
| 1996 | Tokyo Shibuya School opened |
| 2003 | Tokyo Shinjuku School opened |
| 2007 | Tokyo Ikebukuro School opened |
| 2008 | Osaka Tennoji School opened |
| 2015 | Hyogo Kawanishi School opened |
| 2015 | Became subsidiary company of Kawaijuku Group KJ Holdings, Inc. |
| 2019 | Kanagawa Yokohama School opened |