african american
asian
back to school
background
black
casual
caucasian
children
class
classmates
classroom
concept
desk
diverse
education
elementary
girl
grade
group
happy
indoors
international
kids
knowledge
learning
lesson
lifestyle
mixed
modern
multicultural
multiethnic
multiracial
people
preadolescent
preteen
pupils
school
schoolboys
schoolgirls
selective focus
shallow depth
side view
sitting
smile
students
study
taking notes
writing