History- Learn from other's mistakes... and your heritage
Math- To succeed in this world you must know at least how to count otherwise others will take advantage of you.
Science- It's good to know why things are the way they are. It helps prevent things like witch burnings.
English- Reading and writing will provide them with a base to be able to obtain a job better than manual labor for minimum pay.
Art- It helps to express yourself. Creativity is the basis of the best ideas.