Korea Science Academy of KAIST (Korean: 한국과학기술원 부설 한국과학영재학교) is a science magnet school that is located in Busan, South Korea. It was founded in 1991 as Busan (Pusan) Science High School (BSA). In 2001, BSA was designated as a school for gifted science students by the Ministry of Science and Technology. The name was changed to the Korea Science Academy (KSA) in 2005. In 2009, the school announced formal ties with KAIST.

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On December 18, 1989, the Ministry of Education approved the establishment of the Busan Science Academy, and Chang-sik Shin was appointed as its first principal on March 1, 1991. That same day, the Ministry of Education appointed BSA as a 'for-researching' school until February 28, 1993.

It opened the school on March 4, 1991, and took its first entrance ceremony. On March 1, 1997, the Ministry of Education appointed BSA as a model school.

The school was constructed in a new place and moved there. It went from Yeonje District to Busanjin District, both of which are of Korea's Autonomous District. Later, the school also changed its name to Korea Science Academy on July 12, 2005.

The curriculum is composed of academic courses (135 credits), Creative Research Activities (30 credits), and Leadership Activities courses (8AU).

Academic exchanges with overseas universities, research centers and other related institutions.

Country	Institutes
U.S. (3)	Illinois Mathematics and Science Academy (IMSA) Northside College Preparatory High School (NCPHS) Roanoke Valley Governor's School (RVGS)
Russia (5)	Kolmogorov Math and Science High School Novosibirsk Math and Physics High School St. Petersburg Math-Physics High School Moscow Chemical Lyceum Lyceum Physical Technical High School St. Petersburg
Thailand (2)	Mahidol Wittayanusorn School (MWITS) Kamnoetvidya Science Academy (KVIS)
Australia (2)	Australian Science and Mathematics School (ASMS)' John Monash Science School (JMSS)
Singapore (2)	National Junior College (NJC) National University of Singapore High School of Mathematics and Science (NUSH)
Japan (1)	Ritsumeikan Junior and Senior School
China (2)	High School Affiliated to Fudan University Hong Kong G.T. (Ellen Yeung) College
Israel (1)	Israel Arts and Science Academy
UK (1)	Camborne Science and International Academy
Malaysia (1)	Alam Shah Science School
Germany (1)	MINT-EC
Philippines (1)	Manila Science High School

• Gyeonggi Science High School
• Seoul Science High School
• Daegu Science High School

35°09′57″N 129°01′31″E / 35.16583°N 129.02528°E / 35.16583; 129.02528