Korea has various gifted secondary schools …

„Besides several gifted research centres and institutes, Korea has various gifted secondary schools, a majority of which focus on mathematics and science with some also including arts. Those are publicly funded and have a number of teachers who are specialised in gifted education. It also has public schools offering gifted classes to primary and secondary students.“
Alexandre Rutigliano u. a., Policy approaches and initiatives for the inclusion of gifted students in OECD countries (2021), S. 30.