Columbia subject headings:
Education--Parent participation--United States--Statistics--Handbooks, manuals, etc.
Educational surveys--United States--Handbooks, manuals, etc.
Harvard subject headings:
Education--Parent participation--United States--Statistics--Handbooks, manuals, etc.
Educational surveys--United States--Handbooks, manuals, etc.
Princeton subject headings:
Education--Parent participation--United States--Statistics--Handbooks, manuals, etc.
Educational surveys--United States--Handbooks, manuals, etc.
Statistics.