Columbia subject headings:
Academic achievement--United States--Evaluation.
Educational equalization--United States.
Summer schools--Research--United States.
Summer schools--United States--Finance.
Harvard subject headings:
Academic achievement--United States--Evaluation
Educational equalization--United States.
Summer schools--Research--United States.
Summer schools--United States--Finance.
Princeton subject headings:
Academic achievement--United States--Evaluation.
Educational equalization--United States.
Summer schools--United States--Finance.
Summer schools--United States--Research.