When you sign a contract, remember that your Korean contract is the important one here.Little words here and there, will give your contract a totally different meaning.The may seem unimportant, but ask a  friend who is fluent,if they are present in your contract.

For example:- in some University contracts, it says:-"will pay air , flight, if contract is completed ----------", or " after one successfully completed year".The word satisfactory is inserted into the Korean contract, but is omitted in the English sometimes.It seems that some Hakwans, Schools are using it. Please don't take it for granted that you will get these things. 

The word would apply to all you bonuses;public pension;severance pay; etc.This terminology would apply,  even you had worked there for a decade, or so.Remember, that the English in the contract does not always count in the law here.Some may say that this is obvious to anyone with a bit of common, you might be surprised.

Some Universities will never pay you these things, if they don't have to. Hakwons usually do, but the odd University wont. This could be due to the financial climate right now. Some clever guys who have been here for a while, have been caught out here and there.

Good luck, if you are applying to any university, hakwan or school job right now.University jobs seem to becoming a little less attractive than they were a few years ago. Some are closing down and trying cut their costs beforehand.Not sure about schools though.

My advice would be to check your contract every year- make sure it hasn't changed. At interview- insist on asking about the air fare part, holidays, severance,pension, flights, etc. Not many people realize that they don't pay these occasionally.Sometimes the wording is so clever , they don't give you anything, if they don't want to.

Like Hakwans, some University jobs here don't keep their promises.The grass might be a little greener than Hakwans, but it is changing quickly.

Just heed my advice- the Korean contract stands. Insist that they are the same, and be cautious about signing for any place that offers you a slightly different one in Korean.