Jeju Girls Commercial High School 제주여자상업고등학교윈드오케스트라 / Republic of Korea

Founded in 1966 to cultivate talent in the fields of finance and service industries, Jeju Girls Commercial High School is the only commercial high school on Jeju Island. It has contributed to national and regional development and has produced over 19,000 graduates who are actively engaged in various sectors of society. The Jeju Girls Commercial High School Wind Orchestra was established in 1983 and has since nurtured numerous professional musicians and high-level music enthusiasts, achieving remarkable results including awards at national wind competitions. The school's marching band, formed alongside the orchestra, began with a leading performance at the National Youth Sports Festival the following year and has since played a key role in numerous cultural events connected to the local community.

Conductor Kim Esther

- Bachelor’s degree in Piano, Department of Instrumental Music, Dankook University
- Master’s degree from the Graduate School of Education, Dankook University
- Currently a music teacher at Jeju Girls Commercial High School
- Currently accompanist for the Camerata Vocal Ensemble of Secondary Music Teachers
- Currently teaching at the Gifted Education Center, Jeju Student Culture Center