It is really irrelevant that your brother is studying in the US. You have to convince the consular officer that you have no immigrant intent and just want to go to the US to pursue your educational goals.
The fact that a foreign national's brother is completing his final year on an F1 student visa has no legal relevance for the sibling's immigration issues. If you are considering application for an F-1 visa to attend school, it would be a good idea to speak to a representative in the school's office of the Foreign Student Advisor to address your current situation and your and the school's qualifications for a student visa. Beyond student visas, there really is no alternative for engaging an immigration attorney to learn all of the relevant information about you and your goals in order to become able to advise you about immigration-related eligibilities, options and strategies. Some immigration law firms, including mine, offer legal services on a "flat fee" basis so that a client will know the total expense from the very beginning, and a few immigration law firms, including mine, offer an initial consultation free of charge. [Note: This communication is intended as general information and not specific legal advice, and this communication does not create an attorney-client relationship.
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