Sky Castle is a South Korean television series 2018-2019 starring Yum Jung ah, Lee Tae ran, Yoon Se ah, Oh Na ra and Kim Seo huyng. It aired on JTBC's Fridays and Saturdays at 23:00 KST time slot from November 23, 2018 to February 1, 2019.
Sky Castle is the highest rated drama nationwide in 2019 and aslo the highest rated drama in Korean cable television history, with rating is 23.779%. The movie has won two “Best drama” in 55th Baeksang Arts Awards and 12th Korea Drama Award.
A satirical drama that closely looks at the materialistic desires of the upper-class parents in Korea and how they ruthlessly secure the successes of their families at the cost of destroying others' lives. The drama revolves around the lives of housewives living in a luxurious residential area called SKY Castle in suburban Seoul, where wealthy doctors and professors live.
The wives are determined to make their husbands more successful and to raise their children like princes and princesses and to be top students. They want their children to go to top universities so they use every way possible to get that. They spend billions of won to hire coordinators for college entrance exams. SKY stands for the top three universities in Korea: Seoul University, Korea University, and Yonsei University.
According to AGB Nielsen Rating and en.wikipedia