As an enrolled international student of KAIST, you will be exempted from paying tuition, fee (on condition that you achieve GPA of 3.0 or above) and you will be eligible to receive monthly stipend. Bachelor's , Master's and Ph.D stipend: 300,000 won/month
Tuition Fee Exemption for International Undergraduates
Students with GPA 3.0/4.3 in the previous semester will qualify for full tuition fee exemption. GPA in the range of below 3.0 to 2.0 will require payment of a half of the tuition. Students with GPA below 2.0 will be charged the full tuition fee. For detailed information, please contact Academic Registrar’s Team. The rule is applied from the 5th semester, based on the GPA in the 3rd and 4th semesters, and from the 6th semester with the previous semester's GPA.
The KAIST branch of Woori Bank, located in the Student Center (W2), issues drafts and traveler’s checks, and change money for you. It is recommended that you open a bank account as soon as possible (there is no charge for this service).
To open an account, you will need to bring your passport or alien registration card as identification. When you withdraw cash by using your VISA or Master Card, please go to the bank with your passport. The bank is open from 9:30 a.m. to 4:30 p.m. Monday through Friday, excluding national holidays. There are several ATMs on the campus and most of them operate until late. Outside school you can find ATMs at convenience stores and at virtually every corner of streets.
Source: http://www.kaist.edu/english/04_campus/03_welfare_05.php?pt=5