If you’re asking, “How can I apply to Keio University as an international student?” you typically need a recognized secondary school qualification for undergraduate programs or a relevant bachelor’s degree for postgraduate programs. Applicants are usually required to submit academic transcripts, a statement of purpose, and recommendation letters. For English-taught programs, universities may ask for IELTS around 6.5 or TOEFL approximately 85–95, while some programs may also require entrance exams, interviews, or standardized tests such as SAT or GRE, depending on the course.