Columbia subject headings:
Education and state--United States.
Education, Elementary--United States.
Education, Secondary--United States.
Harvard subject headings:
Education and state--United States.
Education, Elementary--United States
Education, Secondary--United States.
Princeton subject headings:
Education and state--United States.
Education, Elementary--United States--Statistics.
Education, Secondary--United States--Statistics.
Federal aid to education--United States.
Statistics.