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Before you apply: 10 mistakes to avoid
Most problems we see aren't about Korean. They're about choosing the wrong kind of school, paperwork, money and rules after arrival. Every one of these is avoidable.
The 10 mistakes
Private academies and lifelong-education centers can't sponsor a D-4 visa. Check the program belongs to a university.
Each year a few universities lose the right to issue new visas. Check the Ministry of Education's latest list (the 2026 list was announced in February).
Some institutes add rules or limits by nationality: a Korean guarantor, 4 terms up front, earlier deadlines. Check before paying the fee.
In our experience, money deposited just before applying and withdrawn soon after causes problems. Some institutes want 3+ months of history.
Most deadlines are arrival dates. Some want originals two weeks early. Courier, and track it.
Apostille in some countries, Korean consular confirmation in others. A notarized copy alone won't do.
You'll often pay 2 or 4 terms up front. Only some institutes say they refund tuition if the visa is refused (e.g. Korea University, minus the admission fee; SKKU, minus application and insurance fees).
Attendance at 70% or below puts your extension at risk. Two such terms in a row and it's refused.
No work in the first 6 months, and only with permission after that. Illegal work can mean deportation.
No one can guarantee a visa. Be wary of agents promising one, or promising you can work full time while studying.
A 5-minute check before you pay
- The program is run by a university
- The university isn't on this year's restricted list
- Your nationality has no extra rule you can't meet
- You know the arrival deadline for originals
- Your bank balance is in the right name and has history
- You've read the refund rule for visa refusal
- You know how many terms you must pay up front
- You have a plan for housing
Keep reading
How it works
Ten steps from choosing a program to your first class, and how long each takes.
Documents
What to prepare, how to certify it, and the extra papers for some countries.
Costs
Tuition, housing, the bank balance you need and what a first year really costs.
D-4 visa
Who qualifies, how to apply, part-time work, attendance and extensions.
Before you apply
The mistakes that cost students their visa or their money.
From language school to university
How a year of Korean leads into a degree, and which universities reward it.
Compare institutes
Nine university language institutes side by side, with 2027 dates and fees.
From Nepal
Consular confirmation, the NOC, and which institutes add extra rules.
From Uzbekistan
Apostille, the 3-month bank balance rule, and when you need a CCVI.
Sources and verification
Institute rules from official guides (see institute pages); visa and stay rules from Ministry of Justice guidelines and the 2026 Study in Korea guidebook. Last verified Oct 14, 2026.
K-Admission is independent and not affiliated with any university or language institute. Rules change every term; always confirm in the institute's official guide before you apply.