He noted all of his complete test scores on his UCAS as you are supposed to. His offer letter contained the generic “32 or better ACT and 3 AP 5s in relevant courses “ conditions. He emailed the admissions officer at his college and said he had met the conditions already. They requested that he send formal score reports. He ordered them immediately and once the college received them, he went unconditional.
We did not see any disadvantage to being a US applicant. He had the benefit of having his LOR written by one of his HS math teachers who is an Oxford grad. I’m sure that helped. Of the four Maths & CS students accepted at Worcester last year, one was English, one American, one Czech and one Romanian.