Joongdong High School (Korean: 중동고등학교; Hanja: 中東高等學校) is a private school founded in 1906,[1] located in Irwon-dong, Gangnam District, Seoul, South Korea.

This school is currently operated by Joongdong Educational Foundation.

Many of Joongdong High School students get an offer from top-tier Korean universities.

In 2011, Joongdong High School ranked #1 in the number of graduates to be offered a place at Seoul National University (considered the best university in South Korea).

In 2012, the entrance rate for SKY universities was 21.6%, the highest in the country.