| Changnyeong Daeseong High School | |
| Streetaddress: | South Gyeongsan Changnyeong county Daehab township Shinan Street 17 Deunji village 651-7 |
| City: | Changnyeong |
| State: | South Gyeongsang Province |
| Country: | South Korea |
| Coordinates: | 35.601°N 128.4609°W |
| Authority: | South Gyeongsan Education Office |
| Principal: | Hyeon Su Jang 장현수 |
| Type: | Private |
| Grades: | 10–12 |
| Campus: | Rural |
| Campus Size: | 21,599 m2 |
| Song: | 교가 |
| Motto: | 참된것을 배우고 착하게 행동하며 식식하게 자라자 |
| Motto Translation: | Learn the truth, behave kindly, and grow bravely |
| Sports: | Soccer, Badminton |
| Nickname: | Daeseong |
| Newspaper: | Gyeongsan Educational |
| Established: | 1948 |
| Enrollment: | [1] |
| Enrollment As Of: | 2012 |
Changnyeong Daeseong High School (Korean: 창녕대성고등학교) is a private high school located in the Daehab township of Changnyeong County, South Korea.
The school collaborates with many educational agencies such as Changnyeong's Youth Cultural center and has recently established a MOU (업무협약) on 21 March 2013.[2]