adolescence
1213 years
1415 years
academic
back to school
book
bookshelf
boy
boys
browsing
casual clothing
caucasian
caucasian ethnicity
cell phone
child
classmate
communication
connection
development
education
female
four people
girl
girls
high school
holding
information
intelligence
intelligent
knowledge
learn
learning
leisure
library
lifestyle
male
mixedrace
mixedrace person
mobile phone
modern
school
schoolboy
schoolgirl
secondary
sitting
smartphone
student
study
studying
teenage
teenage boys
teenage girls
teenager
touch screen
using
web
wireless technology
wisdom
youth