doubtful
academic
attentively
attractive
campus
casual clothing
caucasian
class
college
college student
concentrated
concentrating
confused
confusion
cute
dumbfounded
education
female
focused
girl
higher education
indoors
knowledge
lecture
lecture hall
listening
locker
locker room
perplexed
pretty
puzzled
revising
school
serious
student
studying
teenager
thoughtful
university
university student
unsure