Abstract
Following Mexico and Mongolia, Thailand and Vietnum have recently started a new institution imitating KOSEN system in Japan. Kisarazu College is in charge of the support of education in Mongolia and Thailand. At the same time, they began to send students to KOSEN colleges to enter in the first school year, and to improve the education in junior-high schools. The author was asked to support these two activities as a Mathematics teacher. This short article summarizes the support and discusses possible further development.
