It is crucial for students who want to obtain an F1 visa for the Spring 2024 semester to be aware of these crucial dates and deadlines. The timeline usually starts with the schoolslots com application process, which opens several months in advance of the start of the semester. In order to provide enough time for application acceptance & subsequent visa processing, students should try to submit their applications as early as possible. Students who are accepted will receive their Form I-20, a crucial document needed for the visa application.