Columbia subject headings:
Academic achievement--United States--Longitudinal studies.
College students--United States--Longitudinal studies.
Education, Higher--United States--Longitudinal studies.
Universities and colleges--Curricula--United States--Longitudinal studies.
Harvard subject headings:
Academic achievement--United States--Longitudinal studies.
College students--United States--Longitudinal studies.
Education, Higher--United States--Longitudinal studies.
Universities and colleges--Curricula--United States.--Longitudinal studies.
Universities and colleges--United States--Curricula--Longitudinal studies.
Princeton subject headings:
Academic achievement--United States--Longitudinal studies.
College students--United States--Longitudinal studies.
Education, Higher--United States--Longitudinal studies.
Universities and colleges--Curricula--United States--Longitudinal studies.