1.习惯上,我们一般会这么问--where do you go?
2.如果你坚持要用what school作为特殊疑问句开头的,我们多数会这样表达：
which school do you go to?
很少说what schoo,很chinglish的说法.其实,to 省略与否都不怎么影响表达的.