Korean officials have never officially ranked universities. The following are some views of Koreans for reference only.
The strongest science and technology: KAIST (Korea Institute of Technology, Daejeon), Pohang University of Technology, Seoul University, Hanyang University, Korea University, etc.
The strongest comprehensive: Seoul National University, Yanshi University, Korea University, Xijiang University, etc.
Social sciences and humanities: Seoul National University, Yanshi University, Korea University, Korea University, Central University, Qingxi University, etc.
Art: Hongyida, Central University. Pears are very big.
Medicine: Yanda University, Seoul National University, Medical College of Local National University.
Management: Yanshi University, Seoul National University, Korea Institute of Science and Technology, Xijiang University, Korea University.
Law: Korea University, Jianguo University