20s
academic
answering
arm
asking
back to school
black
book
boy
caucasian
chair
chalkboard
cheerful
child
childhood
chinese
class
classmates
classroom
cute
desk
development
early learning
education
elementary
elementary school
female
girl
hand
happy
knowledge
learn
learning
lesson
male
mixedrace
notebook
notepad
participation
pupil
question
raised
school
schoolchild
sitting
smiling
woman
young adult