<p>To take an AP exam, you would need to register for the exam with a school offering the AP exams, most likely an international school.</p>
<p>However, I am not clear as to why you are looking to take all these tests. Unlike a US applicant to a UK university where successful AP exams are a condition for admission, US uni’s do not require AP tests for admissions. In many instances, AP will duplicate A levels.</p>
<p>Don’t take both Math I and Math II SAT II’s; just take Math II.</p>