Columbia subject headings:
High school students--United States--Attitudes--Statistics.
Student activities--United States--Statistics.
Student aspirations--United States--Statistics.
Tenth grade (Education)--Longitudinal studies.
Harvard subject headings:
High school sophomores--United States--Attitudes--Statistics.
High school student activities--United States--Statistics.
High school students--United States--Attitudes--Statistics.
Student activities--United States--Statistics.
Student aspirations--United States--Statistics.
Tenth grade (Education)--Longitudinal studies.
Princeton subject headings:
High school student activities--United States--Statistics.
High school students--United States--Attitudes--Statistics.
Statistics.
Student aspirations--United States--Statistics.
Tenth grade (Education)--Longitudinal studies.