Because the majority of academic programs are conducted in English, they also need to show that they are proficient in the language. The interview itself can be a stressful event because consular officihow to win at slotsals evaluate the applicant's ties to their home country, which is important for demonstrating non-immigrant intent, in addition to their qualifications. An applicant's chances of obtaining an F1 visa can be considerably increased by being aware of these subtleties. Depending on a number of variables, such as the season and the particular U.S., the number of F1 visa slots available can vary greatly. S.