Abolish the department, converting all expenditures into grants to state departments of education and removing all federal control over how the money is spent.
Abolish the department, transferring everything it does to other parts of the federal government.
Abolish the department, converting all its expenditures into a federal voucher program, with the money going to whatever form of education the parents prefer, including a public school if they choose to send their child there.
Other
Remove the secretary from the cabinet, relabel things a bit, leaving the power and flow of money essentially the same.
Abolish the department and all its programs and expenditures.