adolescence
academic
attentive
book
bookshelf
boy
browsing
casual clothing
caucasian
child
chinese
classmate
communication
computer
connection
development
education
female
focused
girl
high school
holding
information
intelligence
intelligent
interacting
knowledge
laptop
learn
learning
leisure
library
lifestyle
male
mixedrace
mobile phone
modern
notebook
school
schoolboy
schoolgirl
secondary
sitting
student
study
studying
teenage
teenager
text message
text messaging
texting
typing
using
web
wireless technology
wisdom
youth