Final answer:
Public education is a power reserved to the states and not delegated to the federal government.
Step-by-step explanation:
According to the principles of federalism in the United States, certain powers are reserved to the states and not delegated to the federal government. One such power is public education, which is primarily controlled and funded by the states. While the federal government may provide some funding and guidance, the responsibility for operating and managing public education systems lies with the states.