Yes, and if you tell any officer during your visa interview that our intend to work on the US, or plan to stay past opt and work, there won’t be any decision to make because student visas are only given to people who come here to study, and intent to work means immediate denial. Since your number one goal is to study, focus on getting into one college. As a student who needs financial aid, even if you’re high ranked in your country, it’s definitely not a given.