20s
academic
advertising
arm raised
blank
boy
career
casual clothing
caucasian
cheerful
child
childhood
class
classmates
classroom
cute
development
early learning
education
elementary
elementary school
female
girl
hands clasped
happiness
indoors
job
knowledge
learn
learning
lesson
male
mixedrace
occupation
preschool
profession
school
schoolchild
sitting
smiling
standing
studying
teacher
teaching
whiteboard
woman
young adult