An Indian student seeking admission in KAIST as an undergraduate. Chances of acceptance?

I’m an Indian student on a gap year, who’s thinking of applying to KAIST Late track for Fall 2019. My ACT is 36, SAT is 1510, SAT Subject Math II, Physics is 800, SAT Subject Chemistry is 770, TOEFL is 116/120. I’ll also be appearing for 5 AP levels in May. Also, my 10th CGPA is 10, 11th percentage is 91%(#4 in my school), but unfortunately, my 12th percentage is really low - 83% (My math is 95 and English is 96, i.e. they’re on a comparatively higher side). What are my chances of getting accepted in the Late track for Regular Decision? Thanks!