Students planning to study for only one term (10 weeks) in Korean Language Education Center may apply for C-3 visa. This visa is valid for 90 days and can be issued immediately upon application at either Korean Embassy or Consulate office. Because students from certain countries may be ineligible to apply, we recommend that students make their own separate inquiries to Korean Embassy or Consulate Office ahead of time.
※Items subject to change depending on individual circumstances
① Passport
② Application for Visa Issuance (available at Korean Embassy or Consulate)
③ Letter of Admission
④ Notarized Sponsorship Letter
⑤ 1 color ID photo (3.5cm x 4.5cm)
  - photos must have been taken within the past 6 months
  - printed photos are not accepted.
  - background of the photo must be white
⑥ Fee (single-entry visa: US$30, multiple-entry visa: US$80
[From Hi Korea website (http://www.hikorea.go.kr)]