If you plan to study Korean through an eligible university language institute, D-4-1 may be the appropriate status for your course. The next step depends on where you are now: applying for a visa overseas, registering after arrival, extending an existing stay and changing to degree study are separate processes. A school admission letter does not complete any of those immigration decisions.
Requirements were checked October 5, 2026 against the Korean immigration visa manual dated September 1, 2026, the stay manual dated September 18, 2026 and current mission instructions. The Singapore and Seattle examples below apply to their own jurisdictions. This is general planning information, not individual immigration advice. Confirm your case with the responsible mission or immigration office and your language institute.
Confirm that D-4-1 matches your course and present status
D-4-1 is the Korean-language training category. The current visa manual identifies eligible language institutes attached to qualifying higher-education institutions and sets requirements for their regular courses. A private academy or a university-affiliated lifelong-learning facility is not automatically an eligible D-4-1 provider. Ask the school whether the exact course supports this route, rather than assuming that every course using a university name does.
The manual also requires the applicable educational qualification for Korean-language trainees. Your nationality, the institution’s immigration classification and the proposed study can affect the application route and evidence. Some cases involve a visa issuance confirmation process through the Korean authority before the overseas visa step. The language institute should tell you which school documents and route apply to your application.
If you already hold another status in Korea, the question is different. Being allowed to attend language classes and being eligible to change to D-4-1 are not identical. The stay manual generally permits a change for eligible registered long-term residents while restricting changes from short-term B- and C-series statuses and certain other categories. Exceptions and exclusions exist. Get a case-specific answer before building a plan around entering as a visitor and changing later.
Understand what the language school can issue
The institute handles admission to its course and can provide the relevant school-side documents. The current manual’s D-4-1 issuance checklist includes a standard admission certificate, the institution’s registration document and a training plan, alongside the applicant’s identity, education and financial evidence. Admission, tuition payment and document issuance may have their own school deadlines.
Ask when those documents become available, how they will be sent and which personal details they will show. Check your name, passport information and course dates before using them in a visa application. As practical planning advice, also read the school’s withdrawal and refund terms before paying, including what happens if a visa is refused or arrives too late for the course.
Financial evidence is not simply a receipt proving that tuition was paid. The authority may require evidence of funds for tuition and living expenses, a specified account holder, an acceptable issuing date or a record of transactions. If parents support you, relationship evidence may be required. Follow the responsible authority’s checklist; one school’s advertised balance cannot establish a nationwide amount or accepted document format.
Korean-language programs with published D-4-1 application guidance
Directory sources checked: 26 October 2026 (Asia/Seoul). Winter = 2026-27. Spring = 2027; December application openings are in 2026.
A curated 12-school starting point, not an exhaustive approved-provider list. Schools issue admission documents; immigration authorities decide visas. IEQAS accreditation is not a registry of every eligible course. Confirm the exact program and your nationality-specific conditions before paying.
Yonsei University KLI
Regular Program · Sinchon, Seoul
Cost and length. 10 weeks / 200 hours. 2026 tuition KRW 1,860,000 + application KRW 120,000. Published 2027 rates: KRW 1,960,000 + KRW 130,000. Books extra.
Application timing. Winter applications closed 16 October. Next: apply 7 December 2026-15 January 2027, 17:00 KST; spring classes 5 March-20 May. D-4 originals must arrive by the deadline; send at least a week early.
D-4 route and conditions. At least two terms; specified nationalities require four. Mainland-China applicants use separate instructions. Admission certificate follows payment; applicant handles the visa. Dorm applicants have earlier milestones; housing is not guaranteed.
Yonsei University KLI: official application / admissions instructions
Official sources: [1a] Program, fees, calendar and D-4 rules.
Seoul National University LEI
Regular Program · Gwanak, Seoul
Cost and length. 10 weeks; four daily lessons, Monday-Friday. Current tuition: morning KRW 1,800,000 / afternoon KRW 1,650,000; application KRW 100,000. Group insurance required; premium not confirmed. Rates are not guaranteed for spring 2027.
Application timing. Winter applications closed 22 September. Next: apply 2 November-24 December 2026 (KST; cutoff hour not stated); spring classes 8 March-14 May 2027.
D-4 route and conditions. D-4 applicants pay for two sessions after acceptance. Online application with scans, not postal applications. China, Vietnam and Uzbekistan have specific financial-document requirements. Admission-letter support is separate from visa approval.
Seoul National University LEI: official application / admissions instructions
Official sources: [2a] Calendar; [2b] Fees; [2c] Visa guidance.
Korea University KLC
Regular Program · Anam, Seoul
Cost and length. 10 weeks / 200 hours. Current tuition KRW 1,800,000; application KRW 120,000. Books and transfer fees extra. Tuition is reviewed each spring; do not assume this is the 2027 price.
Application timing. Winter classes 11 December 2026-25 February 2027. General deadline is 28 October, but D-4 original documents were due 14 October: closed for this route. Next open intake not confirmed.
D-4 route and conditions. At least two terms for D-4-1; Vietnam, Mongolia and Uzbekistan require four. Chinese applicants have separate document requirements. School issues admission evidence after registration; government decides the visa.
Korea University KLC: official application / admissions instructions
Official sources: [3a] Registration and fees; [3b] Course; [3c] Visa guidance.
Ewha Womans University ELC
Intensive Program · Sinchon, Seoul
Cost and length. 10 weeks / 200 hours. From winter 2026: tuition KRW 1,850,000; application KRW 120,000. School group insurance included; books extra. Conflicting textbook-price estimates omitted.
Application timing. Winter D-4 original-document lead time has passed. Next: apply/pay 7 December 2026-26 January 2027; spring classes 5 March-18 May. D-4 originals must arrive at least two weeks before payment deadline: 12 January by calculation, not a separately printed cutoff.
D-4 route and conditions. Minimum two semesters. Admission certificate follows screening/payment. Nationality-specific document and guarantor rules apply. No precise cutoff hour is published in the inspected calendar.
Ewha Womans University ELC: official application / admissions instructions
Official sources: [4a] Program, calendar and fees; [4b] Application and D-4 rules.
Hanyang University IIE
Regular Program · Seoul campus, not ERICA
Cost and length. 10 weeks / 200 hours. Current tuition KRW 1,850,000; application KRW 150,000. Books and some cultural activities extra. School group insurance has no extra charge; this does not replace any separate NHIS obligation. 2027 fees not guaranteed.
Application timing. Winter registration closed 8 October. Next: registration 9 December 2026-7 January 2027; spring classes 3 March-12 May. Cutoff hour and any additional overseas lead time not confirmed.
D-4 route and conditions. D-4-1 guidance covers students enrolling for at least two terms/six months. Chinese financial-document conditions and possible Korean-guarantor requirements apply. Use Seoul instructions; ERICA fees and prepayment rules differ.
Hanyang University IIE: official application / admissions instructions
Official sources: [5a] Schedule; [5b] Tuition; [5c] Visa; [5d] Insurance.
Sungkyunkwan University SLI
Regular Program · Seoul and Suwon
Cost and length. About 10 weeks; four 50-minute lessons/day, weekdays. 2026 tuition: Seoul KRW 1,780,000 / Suwon KRW 1,500,000; application KRW 80,000. Books extra. Suwon rises to KRW 1,550,000 from spring 2027.
Application timing. Winter: 2 December-17 February; general deadline 30 October. Nepal, Mongolia, Myanmar, Bangladesh and Vietnam deadline 1 October: closed. Spring: apply 7 December-22 January; those five countries 30 December. School also asks Nepal/Myanmar to apply two weeks earlier; confirm applicable cutoff.
D-4 route and conditions. D-4-1 route requires two terms; pay the full invoice before admission documents. Capacity may close early. No cutoff hour stated. English, Korean, Chinese and Japanese guidance; use the nationality-specific instructions.
Sungkyunkwan University SLI: official application / admissions instructions
Official sources: [6a] Admission, calendar and fees; [6b] Visa; [6c] Course.
Hankuk University of Foreign Studies
CKLC Regular Course · Seoul
Cost and length. 10 weeks / about 200 class-hours. Current tuition KRW 1,600,000; application KRW 100,000; insurance KRW 30,000/term. Original-document courier service costs extra if needed. Minimum initial paid terms not confirmed.
Application timing. Winter general deadline 30 October; designated, focus-management and TB-high-risk categories closed 16 October. Spring: apply 1 December-29 January; those categories 15 January; classes 4 March-18 May 2027. No cutoff hour stated.
D-4 route and conditions. Admission documents are emailed after acceptance/payment. Vietnamese applicants must use university local offices and an earlier timetable, not the generic deadline. English/Korean guides available; other-language documents require official translation.
Hankuk University of Foreign Studies: official application / admissions instructions
Official sources: [7a] English program, fees and D-4 documents; [7b] Korean calendar.
Kyung Hee University IIE
Regular on-campus course · Seoul, not Global Campus
Cost and length. 10 weeks / 200 hours for levels 1-6. Tuition KRW 1,850,000; first-application fee KRW 120,000 from fall 2026. Books extra. International insurance required; winter/new-student premium not confirmed.
Application timing. Winter applications 7 September-30 October, with all originals received by deadline; classes 14 December-25 February. Spring applications 7 December-22 January; classes 29 March-9 June 2027. No cutoff hour stated.
D-4 route and conditions. D-4-1 applicants enroll/pay for at least two terms. Certificate follows payment; students handle visa applications themselves. Three-week intensive courses do not receive D-4-1 documents. Apply through Study in Korea; select the correct IIE course.
Kyung Hee University IIE: official application / admissions instructions
Official sources: [8a] Course, dates and fees; [8b] Registration and D-4 rules.
Pusan National University LEI
Regular Korean course · Busan
Cost and length. 10 weeks / 200 hours. Morning tuition KRW 1,500,000; application KRW 80,000. Books/cultural activities included. Insurance required unless individually insured; approximately KRW 120,000/six months. Afternoon rate exists; availability to each D-4 applicant requires confirmation.
Application timing. Winter application closed 18 September. Next: apply 30 November-18 December 2026; spring classes 22 February-30 April 2027. Original documents must arrive by deadline; capacity may close early. No cutoff hour stated.
D-4 route and conditions. Minimum two terms. School issues admission certificate/payment receipt before applicant applies for visa. Applicants from Africa, Vietnam, Mongolia and Uzbekistan are told to confirm whether applications are accepted before applying. Translations/authentication required as specified.
Pusan National University LEI: official application / admissions instructions
Official sources: [9a] Admission and D-4 process; [9b] Program, fees and calendar.
Kyungpook National University
Korean Language Program · Daegu
Cost and length. 10 weeks / 200 hours. Tuition KRW 1,400,000 from 2026; application KRW 70,000. Books extra; insurance required, amount not confirmed. Minimum initial terms not confirmed.
Application timing. Winter classes 1 December-11 February; overseas D-4 application closed 21 September 2026. Next open intake not confirmed. Vietnamese applicants follow separate language-institute notices.
D-4 route and conditions. Admission documents support the applicant’s embassy visa application. Documents submitted by post/in person, not email; study plan in Korean/English. Other-language records need notarized translation. An obsolete refund-price table remains online; use current refund confirmation before paying.
Kyungpook National University: official application / admissions instructions
Official sources: [10a] Official program, admission and fees; [10b] Language institute notices.
Chonnam National University
Regular Korean course · Gwangju
Cost and length. 10 weeks / 200 hours. Current tuition KRW 1,400,000; admission fee KRW 50,000. Insurance approximately KRW 70,000/seven months. Minimum initial paid terms not confirmed. Housing estimates omitted because official language versions differ.
Application timing. Winter D-4 deadline closed 11 September; the later 13 November other-visa deadline does not apply. Next D-4 deadline: 18 December 2026, for spring classes 4 March-14 May 2027. No cutoff hour stated.
D-4 route and conditions. Admission letter follows tuition payment, before visa application. Originals by post/in person; Korean/English translations required. Country and individual circumstances can change document/deadline requirements. Current published fee is not a guaranteed future intake price.
Chonnam National University: official application / admissions instructions
Official sources: [11a] Admission, D-4 dates and fees; [11b] Curriculum.
Kangwon National University
Korean Language Program · Chuncheon
Cost and length. Current tuition KRW 1,400,000/term; application KRW 70,000; insurance KRW 62,000/six months, subject to change. Current teaching-hour total not reconfirmed. Minimum two terms for the D-4 pathway.
Application timing. Winter D-4 applications closed 16 October, 18:00; four nationality groups closed 30 September. Do not use the portal’s later generic deadline. Spring classes 8 March-14 May 2027; published D-4 application/payment deadline 15 January. Portal still shows winter; spring opening not confirmed.
D-4 route and conditions. From 2026, the portal restricts 16 nationalities, with partner-institution recommendation and specified family exceptions. Read full conditions before applying. English/Korean portal. Deadline timezone not explicitly printed; do not invent one.
Kangwon National University: official application / admissions instructions
Official sources: [12a] Program, fees and spring calendar; [12b] Application and nationality restrictions.
Pending verification: Sogang is excluded from these 12 entries until its current brochure/calendar can be directly rechecked. Fees are published school figures, not an all-in budget; books, insurance, housing, visa fees, authentication and courier costs vary. Unknown amounts are not zero.
Government references: HiKorea current manuals; Study in Korea IEQAS language-training list.
Apply through the mission responsible for your jurisdiction
For an overseas application, first identify the Korean mission or authorized application center that can accept your case. Check nationality and residence conditions, the submission method, appointment requirements and the actual current checklist. Do this before preparing notarized copies or sending an original passport.
The Singapore embassy’s D-4-1 page, dated August 31, 2026, says short-term visitors in Singapore cannot apply there and directs submission through the Korea Visa Application Center. Its checklist includes Singapore residence evidence where applicable. It also describes particular education and financial-document treatment depending on the university and applicant, so an exemption cannot be assumed from another student’s application.
Seattle’s January 2, 2026 instructions cover residents of Washington, Oregon, Montana and Idaho. They permit in-person or mailed applications with different original-versus-notarized-copy handling. Its D-4 section also distinguishes accredited and other university cases. These examples show why a checklist from the nearest convenient embassy, or from someone living in another country, may be the wrong one.
Read every condition beside a document requirement. A bank statement may need to come from a particular country, education records may need specified authentication, and tuberculosis evidence may apply only to particular applicants. Match the fee and payment method to your nationality and submission channel. Mission processing estimates are local estimates, not a guaranteed nationwide turnaround or a reason to book nonrefundable travel.
Separate visa validity, entry and registration
A visa’s validity for entry and the period you are permitted to stay are different. Singapore’s current page explains that its single-entry D-4 visa must be used within its stated validity period and that the duration of stay follows the course dates on the admission certificate. An entry deadline is not extra time you can add to your course-related stay.
After arrival, verify your actual status and permitted stay, then arrange foreigner registration as required. Singapore’s instructions state that a person staying more than 90 days must apply for a registration card within 90 days of arrival. The current Korean stay manual lists registration documents for trainees, including the application, passport, photo, fee, enrollment evidence and proof of residence. Follow the current immigration procedure for your location and case.
Your school may offer help with preparation or a group process. Ask what that service covers and how you will know the application was completed. Keep a copy of your submitted documents and confirmed stay details. A school’s internal form or appointment booking should not be treated as the final immigration result.
Changes also require attention after registration. The stay manual addresses reporting changes to registered details and residence. If you move, replace your passport or change schools, ask which report or permission is required and the applicable deadline. Updating your student portal does not necessarily update your immigration record.
Prepare for an extension as a new application
Continuing to study does not automatically extend your permitted stay. The current D-4-1 extension section calls for identity and registration documents, evidence of enrollment and normal academic participation, financial evidence, the course schedule or training plan, and proof of residence. It specifically identifies grades or attendance records as evidence of participation.
The extension section also treats financial evidence differently from some overseas application examples: it specifies funds deposited in the applicant’s own domestic account. A parent’s overseas statement accepted at an earlier visa stage therefore cannot be assumed to satisfy the later extension process. Confirm the current applicable evidence and any additional documents before the school’s collection deadline.
Ask the institute when it can issue attendance and enrollment records, and check those records for errors. Keep supporting documentation if illness or another serious event has affected attendance. The manual restricts extensions where study has been interrupted for personal reasons, while providing for exceptional handling of recognized unavoidable circumstances. It does not turn one attendance percentage, copied from a work-permission rule or a school policy, into a universal renewal guarantee.
Application channels also depend on the case. The manual encourages online or school-officer-assisted extensions for eligible students who do not require an in-person examination. Ask whether your application can use that channel, who is submitting it and how to track the result. Follow the current permitted-stay deadline; paying for another term is not a substitute for obtaining the necessary extension.
Check plans to leave, travel or move into a degree
Speak with the school and immigration authority before leaving a course early or transferring to another language institute. The D-4 extension guidance does not offer unrestricted school changes: it generally describes departure and a new visa, with specified exceptions permitting certain changes in Korea. A new school’s admission decision cannot independently authorize that move.
For a temporary trip overseas, verify your registration, remaining permitted stay and reentry conditions before departure. The stay manual has conditions for exemption from a separate reentry permit and exceptions requiring permission. Holding a registration card is not a promise that every future journey or return date is allowed. If study has ended, ask about the required departure and card-return procedure.
A later degree offer brings another separate process. The current D-2 change-of-status section addresses a move from language training to degree study and requires the relevant admission, education and financial evidence, with records from the previous language course where needed. Admission to a bachelor’s, master’s or doctoral program does not itself convert D-4-1 to D-2. Confirm that your current status, university and proposed program qualify, and leave time for the authority’s decision.
Build a checklist for the process you actually need
Write your nationality, present country of residence, present Korean status if any, chosen institute, course dates and permitted-stay expiry at the top of your notes. Underneath, separate the school’s admission tasks from the authority’s visa, registration, extension or status-change tasks. Record the issuer, format, validity and submission channel for each document.
When asking for clarification, name the exact stage: “I am applying overseas through this mission,” “I need to extend my D-4-1 stay,” or “I have a degree offer and want to check a status change.” That makes the answer more useful and helps avoid following a correct checklist for the wrong process.
Frequently asked questions
Do all Korean-language schools support a D-4-1 application?
No. The current manual defines qualifying university-affiliated institutes and courses. Confirm that your exact provider and course support D-4-1; a private language academy or another training category is not interchangeable.
Can I apply for D-4-1 while already in Korea?
It depends on your current status and circumstances. The stay manual generally permits eligible registered long-term residents to seek a change, while restricting short-term and certain other categories. Obtain an authority-specific answer before assuming you can change from visitor status.
Does paying tuition guarantee a visa?
No. School admission and payment are separate from immigration approval. Check the school’s document-issuance and refund terms and the responsible authority’s complete application requirements.
What should I prepare for an extension?
The current D-4-1 section includes enrollment and academic-participation records, financial evidence, a course schedule or training plan, residence evidence and identity documents. Confirm your applicable checklist and channel in advance; neither tuition payment nor one attendance figure guarantees approval.
Can I change from language study to a degree program?
A D-4-to-D-2 change is addressed in the current stay manual, but you must meet its conditions and obtain the necessary permission. A degree admission letter does not automatically change your status.
Sources and further reading
Immigration requirements checked October 5, 2026. Recheck the latest manual, your responsible mission and the applicable school instructions before applying. The Korean controlling manuals distinguish D-4 subcategories; this article concerns D-4-1.
- HiKorea: current visa and stay manuals and revision history. Read the September 1, 2026 visa manual’s D-4-1 issuance section and the September 18, 2026 stay manual’s D-4 change, extension, registration and reentry sections, plus its D-2 status-change section.
- Singapore embassy: D-4-1 Korean Language Training Visa, page dated August 31, 2026, jurisdiction-specific.
- Seattle consulate: D-2 Student Visa and D-4 Language Trainee Visa, page dated January 2, 2026. Use the D-4 section and applicable general checklist.
Hero image: AI-generated language-study preparation concept. It does not depict a visa, passport, registration card, official seal or immigration form.
Korea Unboxed related reading
For the separate arrival-document question, read Korea e-Arrival Card 2026: Who Needs It, How to Apply & K-ETA Explained. Use current immigration instructions for your own entry circumstances.
