Yes, UChic waitlists a lot of people.
Do you need financial aid or not ? If you don’t, call BC and NYU, neither of which is need blind for internationals.
However if your parents don’t have 200k in a fund for you, you need financial aid and it’s. Pointless to get into a college you can’t afford.
GC = guidance counselor
Red flag = a teacher, without meaning to, wrote something that is understood as 'damning with faint praise’in the US even though in your country it could be laudatory. An example : ‘she’s a good student’. ‘He is sweet.’