| July 1985 |
Company founded as Nihon Kyoiku Koshain Shinjuku, Tokyo. First classrooms are developed under the Riso Kyoiku Research Centre. brand with a maximum of 6 students per class being taught by 100% fulltime teachers. |
|---|---|
| April 1989 | Head Office moved to Mejiro 3-14-3, Toshima, Tokyo. |
| May 1989 |
Meimonkai Home Teacher Dispatch Centre established. Professional teachers (as opposed to student teachers) begin teaching one-on-one lessons. Mejiro School opened. |
| March 1990 |
Unique “One-on-one, individual booth”teaching system is developed, name changed to Tokyo Man To Man School. Shin-Nakano School opened. |
| January 1997 |
TOMAS chosen as nickname for Tokyo Man To Man school. Kawasaki School opened, branching into Kanagawa Prefecture. |
| August 1997 | Tokorozawa School opened, branching into Saitama. |
| October 1998 | Trade name changed to Riso Kyoiku Co., Ltd. |
| December 1998 | Registed as an OTC Company by the Tokyo Stock Exchange. |
| March 2000 | TOMAS because the official name of Tokyo Man To Man School. |
| July 2000 | Nihon EdunetCo., Ltd. established utilizing online real-time interactivity to provide genuine one-on-one education. |
| March 2001 | Listed on the 2nd section of the Tokyo Stock Exchange. |
| January 2002 | Head Office moved to Mejiro 3-1-40, Toshima, Tokyo. |
| June 2002 | Listed on the 1st section of the Tokyo Stock Exchange. |
| September 2002 | Meimonkai home teacher dispatch centre HQ established in Kanagawa. Yokohama School opened. |
| November 2002 | Meimonkai home teacher dispatch centre regional office opened in Chiba. |
| December 2002 |
Meimonkai home teacher dispatch centre regional office opened in Saitama. School Tour Ship Co., Ltd. established. |
| January 2003 |
Meimonkai Co., Ltd. split off as a separate company. Shingakai Co., Ltd. formed |
| July 2005 | School Tour Ship Co., Ltd. trade name changed to Riso Kyoiku Kikaku Co., Ltd. |
| October 2013 |
Inter TOMAS Co., Ltd.split off as a separate company. Plus One Kyoiku Co., Ltd. split off as a separate company. Nihon Edunet Co., Ltd. trade name changed to School TOMAS Co., Ltd. Riso Kyoiku Kikaku Co., Ltd. trade name changed to TOMAS Kikaku Co.,Ltd. |
| November 2016 | TOMAS ENGLISH TRAINING CENTER, INC. established in Cebu IT Park, providing English language services to education institutions (99% funded by School TOMAS Co., Ltd.) |
| Septembern 2019 | Joint company established with Sundai Gakuen to form Sundai TOMAS Co., Ltd. |
| February 2020 |
Sundai TOMAS “Spec.TOMAS” Co., Ltd. established. Inter TOMAS Co., Ltd. and TOMAS Kikaku Co., Ltd. merged back into Riso Kyoiku Co., Ltd. |
| August 2020 | Cocokara Teachers Co., Ltd. established. |
| 1990 | (November)Nerima School |
|---|---|
| 1992 | (April)Mitaka School |
| 1993 | (April)Asagaya School(September) Sugamo School(December) OizumiGakuen School |
| 1994 | (April)Chitose-Funabashi School (August)Narimasu School |
| 1995 | (January)Sangenjaya School (July)Ikebukuro School (November)SasazukaSchool |
| 1996 |
(January)Chofu School (March)Tachikawa School (April)Nakano School (May)Shibuya School (August)Fuchu School (October)Tama Center School |
| 1997 | (January)KawasakiSchool (March)Jiyugaoka School (June)Omori School (August)Tokorozawa School |
| 1998 | (February)Shin-Yurigaoka School (June)Minami-Urawa School (November)Ogikubo School |
| 1999 |
(February)Tama Plaza School (May)Kokubunji School (August)AobadaiSchool (November)Seijo Gakuen School |
| 2000 | (January)Takadanobaba School (September)Hiyoshi School (November)Machida School |
| 2001 | (March)Tokiwadai School (August)Matsudo School (November)Omiya School |
| 2002 | (April)Kawaguchi School (August)Tsurumi School (November)HibarigaokaSchool |
| 2003 | (May)Chitose-Karasuyama School (August)Shimo-Kitazawa School (November)Shiki School |
| 2004 |
(January)Azabu School (February)Hachioji School (August)IidabashiSchool (November)Kashiwa School (December)Shin-Urayasu School |
| 2005 | (March)Yokohama School (July)Center Minami School (October)Oji School |
| 2006 |
(February)Higashi Totsuka School (April)Shinjuku School (December)Seiseki-Sakuragaoka School Kamiooka School |
| 2007 | (April)AkabaneSchool (July)Moto-Yawata School (August)Fujisawa School |
| 2008 | (September)Hon-Atsugi School |
| 2009 | (February)Futako-Tamagawa School (October)Nishi-Nippori School |
| 2010 |
(January)Monzen-Nakacho School (May)Musashi-Kosugi School (August)MeguroSchool (December)Kamata School |
| 2011 | （July)Kita-Urawa School (October)Tanashi Kasai School |
| 2012 | (May)Myogadani School (July)Tsudanuma School (September)Ichigaya School |
| 2013 | (January)Kinshicho School (June)Kawagoe School (November)Chiba School |
| 2016 | (February)Minami-Osawa School (March)YotsuyaSchool (June)Tamachi School |
| 2017 |
(March)Togoshi School Center Kita School Kunictachi School Asakusabashi School (June)Mukogaoka-Yuen School Totsuka School (September)MusashiSakai School Medic TOMAS Yokohama School |
| 2018 |
(March)Hakusan School OsakiSchool Kichijoji School Shakujii-Koen School Ichikawa School Tsunashima School (October)Kaihimmakuhari SchoolShimo-Takaido School |
| 2019 | (January)Sakura-Shinmachi School (May)Gakugei-Daigaku School (June)Tama Center School |
| 2020 | (May)Gakugei Daigaku School (June)Tama Center School (September)Miyazakidai School |
| 2021 | (February)Medic TOMAS Omiya School (March)Ageo School Medic TOMAS Kichijoji School (May)Ofuna School (July)Tsukishima School Nagareyama-Otakanomori School |
