After the colonial rule ended on August 15, 1945, it reopened and continued its operation from October 1945, and was then renamed as Kyungnam Public Middle School in March 1946.

First High School of Busan held its first graduation ceremony in March 1952, still during the war.

[1] Kyungnam High School owns one of the best highschool baseball teams in South Korea.

The team was established in 1945 and won several major national championships in South Korea.

There are many alumni who are previous and current players in the Korea Professional Baseball League.