When it comes to long-term assignments, expats are usually accompanied by their families and finding a school for the children is another major concern.
Due to cultural and linguistic barriers, the children of expatriates will often attend international schools. However such schools usually demand substantial fees.
That is why companies that transfer employees and their families to foreign locations will in general bear (part of) these costs.
The data provided by EuroCost International detail the various expenses incurred for the different school levels, up to age 18: registration, school fees, exam fees, transport, meals…