Some local schools, allowed by the education authorities, are also available for foreigners, but most of them teach in Chinese. If your want your kids to speak fluent Chinese, this may be a good option.

In general, the curriculums in international schools and ordinary local schools are totally different. International schools, such as the American school and British school use the same language, teaching method and textbooks as schools in their homelands. Besides the curriculums, the expenses of the two different schools are also different. You should be clear what kind of education you want your children to receive.