저희 학교에 문의를 했을때
While on OPT, you cannot take classes that would count toward a degree program; regulations allow OPT students only to take classes that are “incidental” (i.e. for fun, or not leading to a degree), so just something to keep in mind.
라고 답을 받았고 이게 맞습니다 incidental 이면 상관없다는게 맞습니다