Gyeongsan Science High School (경산과학고등학교, or simply 경산과학고 or 경산과고) is a high school (ages 15–18) in Gapje-dong, Gyeongsan, South Korea.

It was originally authorized as Saehan High School on 8 December, and its name was changed to Gyeongsan Science High School on 9 May 2005.

It was opened on 2 March 2007 with the first entrance ceremony.

[1] The school is for gifted students with talents in mathematics and sciences.

Currently it holds 140 students (110 boys and 30 girls) with 55 teachers.