adolescence
academic
bonding
boy
campus
casual clothing
caucasian
cellphone
cheerful
child
circle
classmate
closeness
communication
connection
development
education
enjoyment
female
friend
friendship
fun
girl
happy
holding
joy
knowledge
leisure
lifestyle
male
mixedrace
mobile phone
modern
phone
school
schoolboy
schoolgirl
secondary
smartphone
smiling
standing
student
teenage
teenager
text message
text messaging
texting
together
touchscreen
typing
using
wireless technology
youth