Riso Kyoiku Group Corporation operates TOMAS private study Juku schools for elementary, middle, and high school students in Japan. It also operates Medic TOMAS that specialize in preparation for medical school exams; Spec TOMAS that offers private tuition for school entrance test; shinmekai for elementary and kindergarten entrance exam; Shingakai that specialize in preparation for elementary school and kindergarten entrance exams; shinga's club for children's day care and entrance exam; meimonkai provides professional tutors; Meimonkai that offers professional tutoring center for working adults; TOMAIKAI provides private tuition for school advancement tests countrywide; School TOMAS offers in-house support for schools to supplement lessons and reducing stress on the workforce; Inter TOMAS provides private instruction with native and bilingual english speakers that utilisie individual curricula to prepare for TOIEC, TOEFL, and other qualifications; and plus one Kyoiku for life skills. The company was formerly known as Riso Kyoiku Co., Ltd. and changed its name to Riso Kyoiku Group Corporation in September 2025. Riso Kyoiku Group Corporation was incorporated in 1985 and is headquartered in Tokyo, Japan.