Check the school
Language schools should be licensed by the relevant regulator, such as OPEC for private schools.
The Non-ED for Thai language or short courses such as Muay Thai requires study at an authorised institution able to issue visa letters. Extensions usually need attendance records and may include a knowledge test.

The Non-ED for Thai language or short courses such as Muay Thai requires study at an authorised institution able to issue visa letters. Extensions usually need attendance records and may include a knowledge test.
This page is for language and short vocational course students. Criteria belong to government agencies and may change; check the latest Immigration Bureau or agency notice before filing. Decisions are at officials' discretion.
Language schools should be licensed by the relevant regulator, such as OPEC for private schools.
Immigration may request attendance records and interview you in Thai at extension.
Student status gives no work rights.
Make sure the course covers the period you intend to stay.




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Documents accepted nationwide
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Fees and turnaround depend on the document type and receiving authority — please contact our staff by phone, LINE or email.
Supporting documents and the certification route differ by country of origin. Pick your nationality to see the Royal Thai Embassy that accepts the application, the source language requiring certified Thai translation, and the applicable Apostille or legalisation path.