1213
1314
1718
1819
american
campus
caucasian
device
educated
european
exam
exercising
free time
french
friends
german
girl
grade
homework
intelligent
learning
lifestyle
note
open air
outdoor
outside
person
practicing
pupil
responsibility
russian
scholar
scholarship
schoolgirl
schooling
sitting
smart
smartphone
stair
student
studying
teaching
teenage
using smartphone
write
young
youngster
youth culture