Columbia subject headings:
Academic achievement--United States--Statistics.
Mathematics--Study and teaching (Secondary)--Statistics.
Science--Study and teaching (Secondary)--Statistics.
Twelfth grade (Education)--Statistics.
Harvard subject headings:
Academic achievement--United States--Statistics
Mathematics--Study and teaching (Secondary)--Evaluation.
Science--Study and teaching (Secondary)--Evaluation.
Twelfth grade (Education)
Princeton subject headings:
Mathematics--Study and teaching (Secondary)--Evaluation.
Mathematics--Study and teaching (Secondary)--United States--Evaluation.
Science--Study and teaching (Secondary)--Evaluation.
Science--Study and teaching (Secondary)--United States--Evaluation.