There is no real set standard for the dress code throughout the Korean peninsula as each school may have its own particular requirements for its teachers. In general, you must keep in mind that how you dress and present yourself dictates what people will think about you. The best advice that you can follow is to dress conservatively at work, much like you would at a semi-formal family dinner.
For male teachers: collared shirts, dress shirts and sweaters with a nice pair of slacks would be ideal. Some schools may ask you to wear a tie, however by no means are they required through.
For female teachers: collared blouses, dress blouses and sweaters with a pair of slacks or a nice long (knee-length) skirt would be the best.
Mini-skirts, ripped or torn jeans or t-shirts with offensive slogans, as with teachers in American schools, would be frowned upon and you would be sent home to change. Keep in mind that you are trying to dress in a manner which presents you as a serious teacher to your students and business directors.
That being said, it may also be good to bring at least one business formal suit or outfit along to Korea, as you never know what occasions may pop up. The better prepared you are, the easier you¡¯ll be able to dress appropriately for any situation.





