1012 years
3
adolescent
age
american
blue
book
brown hair
casual
caucasian
chemistry
child
childhood
children
class
classmate
classroom
clothing
color
concentrating
concentration
education
elementary
elementary school
european
face
female
females
focus
focusing
girl
girls
green
group
image
indoor
indoors
kid
kids
laboratory
learn
learning
lecture
lecturer
lesson
long hair
look
looking
mate
people
person
photo
preteen
primary school
pupil
read
reading
room
scholar
school
schoolchildren
schoolgirl
schoolmate
science
stockphoto
student
students
study
studying
teacher
teaching
team
test tube
textbook
three
tshirt
vertical
white
young