Dalseong School was established in July, 1899 in order to teach the modern knowledge to local students by the local academics. The actual operation of Dalseong School, however, was done by the Japanese officials in Japanese language to Korean local students unlike the original intention of establishment.
Dalseong School started as the 4 year-Shimsang school and then 2-year high school added, but there were not many students in the high school department. Majority of the students were from the families of intown upper and middle classes, the age band of the students was 18 to 22 years old. but the age and the grade did not coincide. The graduate of Dalseong School contributed to Japanese expansion through joining to Japanese army, architect and building company, railway companies and translation and interpretation.
The purpose of Dalseong School was enlightenment and started by Korean academics, but Dalseong School did not understand the Japanese intention and even reported the local information to the Japanese government while receiving the financial aid by Dong-A Alumni Society, which was the frontier of Japanese Empire.
Dalseong School was often known as the one of the first Korean national secondary educational institution with the basis of the Establishment Intention Charter. The record of the actual operation of Dalseong School, however, remained in the Dong-A Alumni Society and other records. This study attempts to provide the evidence to explain the characteristics of Dalseong School through researching the actual operation of the School by studying establishment, the students and teachers, finance and the curriculum in multiple anlges.