digital tablet
デジタルタブレット
adolescent
asian
back to school
blur
boyhood
boys
caucasian
cellphones
cheerful
classmates
communication
conversation
corridor
devices
education
emotion
friends
friendship
gadgets
girlhood
girls
hall
happy
indoors
interracial
joyful
knowledge
mobile phones
multicultural
multiethnic
people
pleased
positive
pupils
school
schoolboys
schoolgirls
smartphones
smiling
talk
teen
teenagers
together