<p>SAT Subject tests would depend on what the school you are applying to wants to see. If they give you a choice, take those whose subject matter you know the best so that you can get the highest score on them.</p>
<p>If you are fluent in Korean, you may want to take the SAT Subject test for Korean to prove your fluency in that language from the colleges’ point of view. For UC schools, a score of 500 fulfills the foreign language requirement for admission.</p>